20009897860

素因数分解:

$2^2\times 5^1\times {\mathrm{36671}}^1\times {\mathrm{27283}}^1$

素因数の和:63963

約数の個数: 24

約数和(自身を含む): 42023471616

約数和(自身を除く): 22013573756

約数列:

[1, 2, 4, 5, 10, 20, 27283, 36671, 54566, 73342, 109132, 136415, 146684, 183355, 272830, 366710, 545660, 733420, 1000494893, 2000989786, 4001979572, 5002474465, 10004948930, 20009897860]

約数ペア:

[(1, 20009897860), (2, 10004948930), (4, 5002474465), (5, 4001979572), (10, 2000989786), (20, 1000494893), (27283, 733420), (36671, 545660), (54566, 366710), (73342, 272830), (109132, 183355), (136415, 146684)]