20176207960

素因数分解:

$2^3\times 5^1\times {\mathrm{5581}}^1\times {\mathrm{90379}}^1$

素因数の和:95971

約数の個数: 32

約数和(自身を含む): 45405104400

約数和(自身を除く): 25228896440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5581, 11162, 22324, 27905, 44648, 55810, 90379, 111620, 180758, 223240, 361516, 451895, 723032, 903790, 1807580, 3615160, 504405199, 1008810398, 2017620796, 2522025995, 4035241592, 5044051990, 10088103980, 20176207960]

約数ペア:

[(1, 20176207960), (2, 10088103980), (4, 5044051990), (5, 4035241592), (8, 2522025995), (10, 2017620796), (20, 1008810398), (40, 504405199), (5581, 3615160), (11162, 1807580), (22324, 903790), (27905, 723032), (44648, 451895), (55810, 361516), (90379, 223240), (111620, 180758)]