20164532380

素因数分解:

$2^2\times 5^1\times {\mathrm{1613}}^1\times {\mathrm{625063}}^1$

素因数の和:626685

約数の個数: 24

約数和(自身を含む): 42371838432

約数和(自身を除く): 22207306052

約数列:

[1, 2, 4, 5, 10, 20, 1613, 3226, 6452, 8065, 16130, 32260, 625063, 1250126, 2500252, 3125315, 6250630, 12501260, 1008226619, 2016453238, 4032906476, 5041133095, 10082266190, 20164532380]

約数ペア:

[(1, 20164532380), (2, 10082266190), (4, 5041133095), (5, 4032906476), (10, 2016453238), (20, 1008226619), (1613, 12501260), (3226, 6250630), (6452, 3125315), (8065, 2500252), (16130, 1250126), (32260, 625063)]