20568044

素因数分解:

$2^2\times 7^2\times {\mathrm{101}}^1\times {\mathrm{1039}}^1$

素因数の和:1158

約数の個数: 36

約数和(自身を含む): 42325920

約数和(自身を除く): 21757876

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 101, 196, 202, 404, 707, 1039, 1414, 2078, 2828, 4156, 4949, 7273, 9898, 14546, 19796, 29092, 50911, 101822, 104939, 203644, 209878, 419756, 734573, 1469146, 2938292, 5142011, 10284022, 20568044]

約数ペア:

[(1, 20568044), (2, 10284022), (4, 5142011), (7, 2938292), (14, 1469146), (28, 734573), (49, 419756), (98, 209878), (101, 203644), (196, 104939), (202, 101822), (404, 50911), (707, 29092), (1039, 19796), (1414, 14546), (2078, 9898), (2828, 7273), (4156, 4949)]