20529060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 60170880

約数和(自身を除く): 39641820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 73, 86, 109, 129, 146, 172, 215, 218, 219, 258, 292, 327, 365, 430, 436, 438, 516, 545, 645, 654, 730, 860, 876, 1090, 1095, 1290, 1308, 1460, 1635, 2180, 2190, 2580, 3139, 3270, 4380, 4687, 6278, 6540, 7957, 9374, 9417, 12556, 14061, 15695, 15914, 18748, 18834, 23435, 23871, 28122, 31390, 31828, 37668, 39785, 46870, 47085, 47742, 56244, 62780, 70305, 79570, 93740, 94170, 95484, 119355, 140610, 159140, 188340, 238710, 281220, 342151, 477420, 684302, 1026453, 1368604, 1710755, 2052906, 3421510, 4105812, 5132265, 6843020, 10264530, 20529060]

約数ペア:

[(1, 20529060), (2, 10264530), (3, 6843020), (4, 5132265), (5, 4105812), (6, 3421510), (10, 2052906), (12, 1710755), (15, 1368604), (20, 1026453), (30, 684302), (43, 477420), (60, 342151), (73, 281220), (86, 238710), (109, 188340), (129, 159140), (146, 140610), (172, 119355), (215, 95484), (218, 94170), (219, 93740), (258, 79570), (292, 70305), (327, 62780), (365, 56244), (430, 47742), (436, 47085), (438, 46870), (516, 39785), (545, 37668), (645, 31828), (654, 31390), (730, 28122), (860, 23871), (876, 23435), (1090, 18834), (1095, 18748), (1290, 15914), (1308, 15695), (1460, 14061), (1635, 12556), (2180, 9417), (2190, 9374), (2580, 7957), (3139, 6540), (3270, 6278), (4380, 4687)]