20129692740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{827}}^1\times {\mathrm{405677}}^1$

素因数の和:406516

約数の個数: 48

約数和(自身を含む): 56431432512

約数和(自身を除く): 36301739772

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 827, 1654, 2481, 3308, 4135, 4962, 8270, 9924, 12405, 16540, 24810, 49620, 405677, 811354, 1217031, 1622708, 2028385, 2434062, 4056770, 4868124, 6085155, 8113540, 12170310, 24340620, 335494879, 670989758, 1006484637, 1341979516, 1677474395, 2012969274, 3354948790, 4025938548, 5032423185, 6709897580, 10064846370, 20129692740]

約数ペア:

[(1, 20129692740), (2, 10064846370), (3, 6709897580), (4, 5032423185), (5, 4025938548), (6, 3354948790), (10, 2012969274), (12, 1677474395), (15, 1341979516), (20, 1006484637), (30, 670989758), (60, 335494879), (827, 24340620), (1654, 12170310), (2481, 8113540), (3308, 6085155), (4135, 4868124), (4962, 4056770), (8270, 2434062), (9924, 2028385), (12405, 1622708), (16540, 1217031), (24810, 811354), (49620, 405677)]