20178014725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3861821}}^1$

素因数の和:3861861

約数の個数: 24

約数和(自身を含む): 28731955680

約数和(自身を除く): 8553940955

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 475, 1045, 5225, 3861821, 19309105, 42480031, 73374599, 96545525, 212400155, 366872995, 807120589, 1062000775, 1834364975, 4035602945, 20178014725]

約数ペア:

[(1, 20178014725), (5, 4035602945), (11, 1834364975), (19, 1062000775), (25, 807120589), (55, 366872995), (95, 212400155), (209, 96545525), (275, 73374599), (475, 42480031), (1045, 19309105), (5225, 3861821)]