20684886

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^2\times {\mathrm{79}}^1\times {\mathrm{151}}^1$

素因数の和:269

約数の個数: 48

約数和(自身を含む): 44797440

約数和(自身を除く): 24112554

約数列:

[1, 2, 3, 6, 17, 34, 51, 79, 102, 151, 158, 237, 289, 302, 453, 474, 578, 867, 906, 1343, 1734, 2567, 2686, 4029, 5134, 7701, 8058, 11929, 15402, 22831, 23858, 35787, 43639, 45662, 68493, 71574, 87278, 130917, 136986, 202793, 261834, 405586, 608379, 1216758, 3447481, 6894962, 10342443, 20684886]

約数ペア:

[(1, 20684886), (2, 10342443), (3, 6894962), (6, 3447481), (17, 1216758), (34, 608379), (51, 405586), (79, 261834), (102, 202793), (151, 136986), (158, 130917), (237, 87278), (289, 71574), (302, 68493), (453, 45662), (474, 43639), (578, 35787), (867, 23858), (906, 22831), (1343, 15402), (1734, 11929), (2567, 8058), (2686, 7701), (4029, 5134)]