20039895940

素因数分解:

$2^2\times 5^1\times {\mathrm{571}}^1\times {\mathrm{1117}}^1\times {\mathrm{1571}}^1$

素因数の和:3268

約数の個数: 48

約数和(自身を含む): 42222083904

約数和(自身を除く): 22182187964

約数列:

[1, 2, 4, 5, 10, 20, 571, 1117, 1142, 1571, 2234, 2284, 2855, 3142, 4468, 5585, 5710, 6284, 7855, 11170, 11420, 15710, 22340, 31420, 637807, 897041, 1275614, 1754807, 1794082, 2551228, 3189035, 3509614, 3588164, 4485205, 6378070, 7019228, 8774035, 8970410, 12756140, 17548070, 17940820, 35096140, 1001994797, 2003989594, 4007979188, 5009973985, 10019947970, 20039895940]

約数ペア:

[(1, 20039895940), (2, 10019947970), (4, 5009973985), (5, 4007979188), (10, 2003989594), (20, 1001994797), (571, 35096140), (1117, 17940820), (1142, 17548070), (1571, 12756140), (2234, 8970410), (2284, 8774035), (2855, 7019228), (3142, 6378070), (4468, 4485205), (5585, 3588164), (5710, 3509614), (6284, 3189035), (7855, 2551228), (11170, 1794082), (11420, 1754807), (15710, 1275614), (22340, 897041), (31420, 637807)]