20682506

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{641}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 35916048

約数和(自身を除く): 15233542

約数列:

[1, 2, 13, 17, 26, 34, 73, 146, 221, 442, 641, 949, 1241, 1282, 1898, 2482, 8333, 10897, 16133, 16666, 21794, 32266, 46793, 93586, 141661, 283322, 608309, 795481, 1216618, 1590962, 10341253, 20682506]

約数ペア:

[(1, 20682506), (2, 10341253), (13, 1590962), (17, 1216618), (26, 795481), (34, 608309), (73, 283322), (146, 141661), (221, 93586), (442, 46793), (641, 32266), (949, 21794), (1241, 16666), (1282, 16133), (1898, 10897), (2482, 8333)]