20002642

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{677}}^1$

素因数の和:786

約数の個数: 32

約数和(自身を含む): 35147520

約数和(自身を除く): 15144878

約数列:

[1, 2, 11, 17, 22, 34, 79, 158, 187, 374, 677, 869, 1343, 1354, 1738, 2686, 7447, 11509, 14773, 14894, 23018, 29546, 53483, 106966, 126599, 253198, 588313, 909211, 1176626, 1818422, 10001321, 20002642]

約数ペア:

[(1, 20002642), (2, 10001321), (11, 1818422), (17, 1176626), (22, 909211), (34, 588313), (79, 253198), (158, 126599), (187, 106966), (374, 53483), (677, 29546), (869, 23018), (1343, 14894), (1354, 14773), (1738, 11509), (2686, 7447)]