20289874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{54251}}^1$

素因数の和:54281

約数の個数: 16

約数和(自身を含む): 35155296

約数和(自身を除く): 14865422

約数列:

[1, 2, 11, 17, 22, 34, 187, 374, 54251, 108502, 596761, 922267, 1193522, 1844534, 10144937, 20289874]

約数ペア:

[(1, 20289874), (2, 10144937), (11, 1844534), (17, 1193522), (22, 922267), (34, 596761), (187, 108502), (374, 54251)]