20159510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2969}}^1$

素因数の和:3080

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 21753130

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 2969, 3395, 5938, 6790, 14845, 20783, 29690, 41566, 103915, 207830, 287993, 575986, 1439965, 2015951, 2879930, 4031902, 10079755, 20159510]

約数ペア:

[(1, 20159510), (2, 10079755), (5, 4031902), (7, 2879930), (10, 2015951), (14, 1439965), (35, 575986), (70, 287993), (97, 207830), (194, 103915), (485, 41566), (679, 29690), (970, 20783), (1358, 14845), (2969, 6790), (3395, 5938)]