20210580

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2879}}^1$

素因数の和:2910

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 47527020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 90, 108, 117, 130, 135, 156, 180, 195, 234, 260, 270, 351, 390, 468, 540, 585, 702, 780, 1170, 1404, 1755, 2340, 2879, 3510, 5758, 7020, 8637, 11516, 14395, 17274, 25911, 28790, 34548, 37427, 43185, 51822, 57580, 74854, 77733, 86370, 103644, 112281, 129555, 149708, 155466, 172740, 187135, 224562, 259110, 310932, 336843, 374270, 388665, 449124, 518220, 561405, 673686, 748540, 777330, 1010529, 1122810, 1347372, 1554660, 1684215, 2021058, 2245620, 3368430, 4042116, 5052645, 6736860, 10105290, 20210580]

約数ペア:

[(1, 20210580), (2, 10105290), (3, 6736860), (4, 5052645), (5, 4042116), (6, 3368430), (9, 2245620), (10, 2021058), (12, 1684215), (13, 1554660), (15, 1347372), (18, 1122810), (20, 1010529), (26, 777330), (27, 748540), (30, 673686), (36, 561405), (39, 518220), (45, 449124), (52, 388665), (54, 374270), (60, 336843), (65, 310932), (78, 259110), (90, 224562), (108, 187135), (117, 172740), (130, 155466), (135, 149708), (156, 129555), (180, 112281), (195, 103644), (234, 86370), (260, 77733), (270, 74854), (351, 57580), (390, 51822), (468, 43185), (540, 37427), (585, 34548), (702, 28790), (780, 25911), (1170, 17274), (1404, 14395), (1755, 11516), (2340, 8637), (2879, 7020), (3510, 5758)]