20349285

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{6491}}^1$

素因数の和:6529

約数の個数: 32

約数和(自身を含む): 37393920

約数和(自身を除く): 17044635

約数列:

[1, 3, 5, 11, 15, 19, 33, 55, 57, 95, 165, 209, 285, 627, 1045, 3135, 6491, 19473, 32455, 71401, 97365, 123329, 214203, 357005, 369987, 616645, 1071015, 1356619, 1849935, 4069857, 6783095, 20349285]

約数ペア:

[(1, 20349285), (3, 6783095), (5, 4069857), (11, 1849935), (15, 1356619), (19, 1071015), (33, 616645), (55, 369987), (57, 357005), (95, 214203), (165, 123329), (209, 97365), (285, 71401), (627, 32455), (1045, 19473), (3135, 6491)]