20537886

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1303}}^1$

素因数の和:1416

約数の個数: 32

約数和(自身を含む): 42812928

約数和(自身を除く): 22275042

約数列:

[1, 2, 3, 6, 37, 71, 74, 111, 142, 213, 222, 426, 1303, 2606, 2627, 3909, 5254, 7818, 7881, 15762, 48211, 92513, 96422, 144633, 185026, 277539, 289266, 555078, 3422981, 6845962, 10268943, 20537886]

約数ペア:

[(1, 20537886), (2, 10268943), (3, 6845962), (6, 3422981), (37, 555078), (71, 289266), (74, 277539), (111, 185026), (142, 144633), (213, 96422), (222, 92513), (426, 48211), (1303, 15762), (2606, 7881), (2627, 7818), (3909, 5254)]