20122720130

素因数分解:

$2^1\times 5^1\times {\mathrm{64747}}^1\times {\mathrm{31079}}^1$

素因数の和:95833

約数の個数: 16

約数和(自身を含む): 36222621120

約数和(自身を除く): 16099900990

約数列:

[1, 2, 5, 10, 31079, 62158, 64747, 129494, 155395, 310790, 323735, 647470, 2012272013, 4024544026, 10061360065, 20122720130]

約数ペア:

[(1, 20122720130), (2, 10061360065), (5, 4024544026), (10, 2012272013), (31079, 647470), (62158, 323735), (64747, 310790), (129494, 155395)]