20950800

素因数分解:

$2^4\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1$

素因数の和:130

約数の個数: 240

約数和(自身を含む): 77495040

約数和(自身を除く): 56544240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 25, 26, 30, 34, 39, 40, 48, 50, 51, 52, 60, 65, 68, 75, 78, 79, 80, 85, 100, 102, 104, 120, 130, 136, 150, 156, 158, 170, 195, 200, 204, 208, 221, 237, 240, 255, 260, 272, 300, 312, 316, 325, 340, 390, 395, 400, 408, 425, 442, 474, 510, 520, 600, 624, 632, 650, 663, 680, 780, 790, 816, 850, 884, 948, 975, 1020, 1027, 1040, 1105, 1185, 1200, 1264, 1275, 1300, 1326, 1343, 1360, 1560, 1580, 1700, 1768, 1896, 1950, 1975, 2040, 2054, 2210, 2370, 2550, 2600, 2652, 2686, 3081, 3120, 3160, 3315, 3400, 3536, 3792, 3900, 3950, 4029, 4080, 4108, 4420, 4740, 5100, 5135, 5200, 5304, 5372, 5525, 5925, 6162, 6320, 6630, 6715, 6800, 7800, 7900, 8058, 8216, 8840, 9480, 10200, 10270, 10608, 10744, 11050, 11850, 12324, 13260, 13430, 15405, 15600, 15800, 16116, 16432, 16575, 17459, 17680, 18960, 20145, 20400, 20540, 21488, 22100, 23700, 24648, 25675, 26520, 26860, 30810, 31600, 32232, 33150, 33575, 34918, 40290, 41080, 44200, 47400, 49296, 51350, 52377, 53040, 53720, 61620, 64464, 66300, 67150, 69836, 77025, 80580, 82160, 87295, 88400, 94800, 100725, 102700, 104754, 107440, 123240, 132600, 134300, 139672, 154050, 161160, 174590, 201450, 205400, 209508, 246480, 261885, 265200, 268600, 279344, 308100, 322320, 349180, 402900, 410800, 419016, 436475, 523770, 537200, 616200, 698360, 805800, 838032, 872950, 1047540, 1232400, 1309425, 1396720, 1611600, 1745900, 2095080, 2618850, 3491800, 4190160, 5237700, 6983600, 10475400, 20950800]

約数ペア:

[(1, 20950800), (2, 10475400), (3, 6983600), (4, 5237700), (5, 4190160), (6, 3491800), (8, 2618850), (10, 2095080), (12, 1745900), (13, 1611600), (15, 1396720), (16, 1309425), (17, 1232400), (20, 1047540), (24, 872950), (25, 838032), (26, 805800), (30, 698360), (34, 616200), (39, 537200), (40, 523770), (48, 436475), (50, 419016), (51, 410800), (52, 402900), (60, 349180), (65, 322320), (68, 308100), (75, 279344), (78, 268600), (79, 265200), (80, 261885), (85, 246480), (100, 209508), (102, 205400), (104, 201450), (120, 174590), (130, 161160), (136, 154050), (150, 139672), (156, 134300), (158, 132600), (170, 123240), (195, 107440), (200, 104754), (204, 102700), (208, 100725), (221, 94800), (237, 88400), (240, 87295), (255, 82160), (260, 80580), (272, 77025), (300, 69836), (312, 67150), (316, 66300), (325, 64464), (340, 61620), (390, 53720), (395, 53040), (400, 52377), (408, 51350), (425, 49296), (442, 47400), (474, 44200), (510, 41080), (520, 40290), (600, 34918), (624, 33575), (632, 33150), (650, 32232), (663, 31600), (680, 30810), (780, 26860), (790, 26520), (816, 25675), (850, 24648), (884, 23700), (948, 22100), (975, 21488), (1020, 20540), (1027, 20400), (1040, 20145), (1105, 18960), (1185, 17680), (1200, 17459), (1264, 16575), (1275, 16432), (1300, 16116), (1326, 15800), (1343, 15600), (1360, 15405), (1560, 13430), (1580, 13260), (1700, 12324), (1768, 11850), (1896, 11050), (1950, 10744), (1975, 10608), (2040, 10270), (2054, 10200), (2210, 9480), (2370, 8840), (2550, 8216), (2600, 8058), (2652, 7900), (2686, 7800), (3081, 6800), (3120, 6715), (3160, 6630), (3315, 6320), (3400, 6162), (3536, 5925), (3792, 5525), (3900, 5372), (3950, 5304), (4029, 5200), (4080, 5135), (4108, 5100), (4420, 4740)]