20294820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1$

素因数の和:104

約数の個数: 288

約数和(自身を含む): 80438400

約数和(自身を除く): 60143580

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 35, 36, 39, 42, 45, 49, 52, 54, 59, 60, 63, 65, 70, 78, 84, 90, 91, 98, 105, 108, 117, 118, 126, 130, 135, 140, 147, 156, 177, 180, 182, 189, 195, 196, 210, 234, 236, 245, 252, 260, 270, 273, 294, 295, 315, 351, 354, 364, 378, 390, 413, 420, 441, 455, 468, 490, 531, 540, 546, 585, 588, 590, 630, 637, 702, 708, 735, 756, 767, 780, 819, 826, 882, 885, 910, 945, 980, 1062, 1092, 1170, 1180, 1239, 1260, 1274, 1323, 1365, 1404, 1470, 1534, 1593, 1638, 1652, 1755, 1764, 1770, 1820, 1890, 1911, 2065, 2124, 2205, 2301, 2340, 2457, 2478, 2548, 2646, 2655, 2730, 2891, 2940, 3068, 3185, 3186, 3276, 3510, 3540, 3717, 3780, 3822, 3835, 4095, 4130, 4410, 4602, 4914, 4956, 5292, 5310, 5369, 5460, 5733, 5782, 6195, 6370, 6372, 6615, 6903, 7020, 7434, 7644, 7670, 7965, 8190, 8260, 8673, 8820, 9204, 9555, 9828, 10620, 10738, 11151, 11466, 11505, 11564, 12285, 12390, 12740, 13230, 13806, 14455, 14868, 15340, 15930, 16107, 16380, 17199, 17346, 18585, 19110, 20709, 21476, 22302, 22932, 23010, 24570, 24780, 26019, 26460, 26845, 27612, 28665, 28910, 31860, 32214, 34398, 34515, 34692, 37170, 37583, 38220, 41418, 43365, 44604, 46020, 48321, 49140, 52038, 53690, 55755, 57330, 57820, 64428, 68796, 69030, 74340, 75166, 78057, 80535, 82836, 85995, 86730, 96642, 103545, 104076, 107380, 111510, 112749, 114660, 130095, 138060, 144963, 150332, 156114, 161070, 171990, 173460, 187915, 193284, 207090, 223020, 225498, 241605, 260190, 289926, 312228, 322140, 338247, 343980, 375830, 390285, 414180, 450996, 483210, 520380, 563745, 579852, 676494, 724815, 751660, 780570, 966420, 1014741, 1127490, 1352988, 1449630, 1561140, 1691235, 2029482, 2254980, 2899260, 3382470, 4058964, 5073705, 6764940, 10147410, 20294820]

約数ペア:

[(1, 20294820), (2, 10147410), (3, 6764940), (4, 5073705), (5, 4058964), (6, 3382470), (7, 2899260), (9, 2254980), (10, 2029482), (12, 1691235), (13, 1561140), (14, 1449630), (15, 1352988), (18, 1127490), (20, 1014741), (21, 966420), (26, 780570), (27, 751660), (28, 724815), (30, 676494), (35, 579852), (36, 563745), (39, 520380), (42, 483210), (45, 450996), (49, 414180), (52, 390285), (54, 375830), (59, 343980), (60, 338247), (63, 322140), (65, 312228), (70, 289926), (78, 260190), (84, 241605), (90, 225498), (91, 223020), (98, 207090), (105, 193284), (108, 187915), (117, 173460), (118, 171990), (126, 161070), (130, 156114), (135, 150332), (140, 144963), (147, 138060), (156, 130095), (177, 114660), (180, 112749), (182, 111510), (189, 107380), (195, 104076), (196, 103545), (210, 96642), (234, 86730), (236, 85995), (245, 82836), (252, 80535), (260, 78057), (270, 75166), (273, 74340), (294, 69030), (295, 68796), (315, 64428), (351, 57820), (354, 57330), (364, 55755), (378, 53690), (390, 52038), (413, 49140), (420, 48321), (441, 46020), (455, 44604), (468, 43365), (490, 41418), (531, 38220), (540, 37583), (546, 37170), (585, 34692), (588, 34515), (590, 34398), (630, 32214), (637, 31860), (702, 28910), (708, 28665), (735, 27612), (756, 26845), (767, 26460), (780, 26019), (819, 24780), (826, 24570), (882, 23010), (885, 22932), (910, 22302), (945, 21476), (980, 20709), (1062, 19110), (1092, 18585), (1170, 17346), (1180, 17199), (1239, 16380), (1260, 16107), (1274, 15930), (1323, 15340), (1365, 14868), (1404, 14455), (1470, 13806), (1534, 13230), (1593, 12740), (1638, 12390), (1652, 12285), (1755, 11564), (1764, 11505), (1770, 11466), (1820, 11151), (1890, 10738), (1911, 10620), (2065, 9828), (2124, 9555), (2205, 9204), (2301, 8820), (2340, 8673), (2457, 8260), (2478, 8190), (2548, 7965), (2646, 7670), (2655, 7644), (2730, 7434), (2891, 7020), (2940, 6903), (3068, 6615), (3185, 6372), (3186, 6370), (3276, 6195), (3510, 5782), (3540, 5733), (3717, 5460), (3780, 5369), (3822, 5310), (3835, 5292), (4095, 4956), (4130, 4914), (4410, 4602)]