20101378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{757}}^1$

素因数の和:858

約数の個数: 32

約数和(自身を含む): 35365248

約数和(自身を除く): 15263870

約数列:

[1, 2, 11, 17, 22, 34, 71, 142, 187, 374, 757, 781, 1207, 1514, 1562, 2414, 8327, 12869, 13277, 16654, 25738, 26554, 53747, 107494, 141559, 283118, 591217, 913699, 1182434, 1827398, 10050689, 20101378]

約数ペア:

[(1, 20101378), (2, 10050689), (11, 1827398), (17, 1182434), (22, 913699), (34, 591217), (71, 283118), (142, 141559), (187, 107494), (374, 53747), (757, 26554), (781, 25738), (1207, 16654), (1514, 13277), (1562, 12869), (2414, 8327)]