620163220

素因数分解:

$2^2\times 5^1\times {\mathrm{809}}^1\times {\mathrm{38329}}^1$

素因数の和:39147

約数の個数: 24

約数和(自身を含む): 1303986600

約数和(自身を除く): 683823380

約数列:

[1, 2, 4, 5, 10, 20, 809, 1618, 3236, 4045, 8090, 16180, 38329, 76658, 153316, 191645, 383290, 766580, 31008161, 62016322, 124032644, 155040805, 310081610, 620163220]

約数ペア:

[(1, 620163220), (2, 310081610), (4, 155040805), (5, 124032644), (10, 62016322), (20, 31008161), (809, 766580), (1618, 383290), (3236, 191645), (4045, 153316), (8090, 76658), (16180, 38329)]