20008406

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{317}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 14793514

約数列:

[1, 2, 11, 19, 22, 38, 151, 209, 302, 317, 418, 634, 1661, 2869, 3322, 3487, 5738, 6023, 6974, 12046, 31559, 47867, 63118, 66253, 95734, 132506, 526537, 909473, 1053074, 1818946, 10004203, 20008406]

約数ペア:

[(1, 20008406), (2, 10004203), (11, 1818946), (19, 1053074), (22, 909473), (38, 526537), (151, 132506), (209, 95734), (302, 66253), (317, 63118), (418, 47867), (634, 31559), (1661, 12046), (2869, 6974), (3322, 6023), (3487, 5738)]