20673900

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 288

約数和(自身を含む): 77772800

約数和(自身を除く): 57098900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 19, 20, 25, 26, 27, 30, 31, 36, 38, 39, 45, 50, 52, 54, 57, 60, 62, 65, 75, 76, 78, 90, 93, 95, 100, 108, 114, 117, 124, 130, 135, 150, 155, 156, 171, 180, 186, 190, 195, 225, 228, 234, 247, 260, 270, 279, 285, 300, 310, 325, 342, 351, 372, 380, 390, 403, 450, 465, 468, 475, 494, 513, 540, 558, 570, 585, 589, 620, 650, 675, 684, 702, 741, 775, 780, 806, 837, 855, 900, 930, 950, 975, 988, 1026, 1116, 1140, 1170, 1178, 1209, 1235, 1300, 1350, 1395, 1404, 1425, 1482, 1550, 1612, 1674, 1710, 1755, 1767, 1860, 1900, 1950, 2015, 2052, 2223, 2325, 2340, 2356, 2418, 2470, 2565, 2700, 2790, 2850, 2925, 2945, 2964, 3100, 3348, 3420, 3510, 3534, 3627, 3705, 3900, 4030, 4185, 4275, 4446, 4650, 4836, 4940, 5130, 5301, 5580, 5700, 5850, 5890, 6045, 6175, 6669, 6975, 7020, 7068, 7254, 7410, 7657, 8060, 8370, 8550, 8775, 8835, 8892, 9300, 10075, 10260, 10602, 10881, 11115, 11700, 11780, 12090, 12350, 12825, 13338, 13950, 14508, 14725, 14820, 15314, 15903, 16740, 17100, 17550, 17670, 18135, 18525, 20150, 20925, 21204, 21762, 22230, 22971, 24180, 24700, 25650, 26505, 26676, 27900, 29450, 30225, 30628, 31806, 33345, 35100, 35340, 36270, 37050, 38285, 40300, 41850, 43524, 44175, 44460, 45942, 51300, 53010, 54405, 55575, 58900, 60450, 63612, 66690, 68913, 72540, 74100, 76570, 79515, 83700, 88350, 90675, 91884, 106020, 108810, 111150, 114855, 120900, 132525, 133380, 137826, 153140, 159030, 166725, 176700, 181350, 191425, 206739, 217620, 222300, 229710, 265050, 272025, 275652, 318060, 333450, 344565, 362700, 382850, 397575, 413478, 459420, 530100, 544050, 574275, 666900, 689130, 765700, 795150, 826956, 1033695, 1088100, 1148550, 1378260, 1590300, 1722825, 2067390, 2297100, 3445650, 4134780, 5168475, 6891300, 10336950, 20673900]

約数ペア:

[(1, 20673900), (2, 10336950), (3, 6891300), (4, 5168475), (5, 4134780), (6, 3445650), (9, 2297100), (10, 2067390), (12, 1722825), (13, 1590300), (15, 1378260), (18, 1148550), (19, 1088100), (20, 1033695), (25, 826956), (26, 795150), (27, 765700), (30, 689130), (31, 666900), (36, 574275), (38, 544050), (39, 530100), (45, 459420), (50, 413478), (52, 397575), (54, 382850), (57, 362700), (60, 344565), (62, 333450), (65, 318060), (75, 275652), (76, 272025), (78, 265050), (90, 229710), (93, 222300), (95, 217620), (100, 206739), (108, 191425), (114, 181350), (117, 176700), (124, 166725), (130, 159030), (135, 153140), (150, 137826), (155, 133380), (156, 132525), (171, 120900), (180, 114855), (186, 111150), (190, 108810), (195, 106020), (225, 91884), (228, 90675), (234, 88350), (247, 83700), (260, 79515), (270, 76570), (279, 74100), (285, 72540), (300, 68913), (310, 66690), (325, 63612), (342, 60450), (351, 58900), (372, 55575), (380, 54405), (390, 53010), (403, 51300), (450, 45942), (465, 44460), (468, 44175), (475, 43524), (494, 41850), (513, 40300), (540, 38285), (558, 37050), (570, 36270), (585, 35340), (589, 35100), (620, 33345), (650, 31806), (675, 30628), (684, 30225), (702, 29450), (741, 27900), (775, 26676), (780, 26505), (806, 25650), (837, 24700), (855, 24180), (900, 22971), (930, 22230), (950, 21762), (975, 21204), (988, 20925), (1026, 20150), (1116, 18525), (1140, 18135), (1170, 17670), (1178, 17550), (1209, 17100), (1235, 16740), (1300, 15903), (1350, 15314), (1395, 14820), (1404, 14725), (1425, 14508), (1482, 13950), (1550, 13338), (1612, 12825), (1674, 12350), (1710, 12090), (1755, 11780), (1767, 11700), (1860, 11115), (1900, 10881), (1950, 10602), (2015, 10260), (2052, 10075), (2223, 9300), (2325, 8892), (2340, 8835), (2356, 8775), (2418, 8550), (2470, 8370), (2565, 8060), (2700, 7657), (2790, 7410), (2850, 7254), (2925, 7068), (2945, 7020), (2964, 6975), (3100, 6669), (3348, 6175), (3420, 6045), (3510, 5890), (3534, 5850), (3627, 5700), (3705, 5580), (3900, 5301), (4030, 5130), (4185, 4940), (4275, 4836), (4446, 4650)]