20502170

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9277}}^1$

素因数の和:9314

約数の個数: 32

約数和(自身を含む): 42085008

約数和(自身を除く): 21582838

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 9277, 18554, 46385, 92770, 120601, 157709, 241202, 315418, 603005, 788545, 1206010, 1577090, 2050217, 4100434, 10251085, 20502170]

約数ペア:

[(1, 20502170), (2, 10251085), (5, 4100434), (10, 2050217), (13, 1577090), (17, 1206010), (26, 788545), (34, 603005), (65, 315418), (85, 241202), (130, 157709), (170, 120601), (221, 92770), (442, 46385), (1105, 18554), (2210, 9277)]