20017630

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^2\times {\mathrm{2083}}^1$

素因数の和:2152

約数の個数: 24

約数和(自身を含む): 37249416

約数和(自身を除く): 17231786

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 961, 1922, 2083, 4166, 4805, 9610, 10415, 20830, 64573, 129146, 322865, 645730, 2001763, 4003526, 10008815, 20017630]

約数ペア:

[(1, 20017630), (2, 10008815), (5, 4003526), (10, 2001763), (31, 645730), (62, 322865), (155, 129146), (310, 64573), (961, 20830), (1922, 10415), (2083, 9610), (4166, 4805)]