20377590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{691}}^1\times {\mathrm{983}}^1$

素因数の和:1684

約数の個数: 32

約数和(自身を含む): 49026816

約数和(自身を除く): 28649226

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 691, 983, 1382, 1966, 2073, 2949, 3455, 4146, 4915, 5898, 6910, 9830, 10365, 14745, 20730, 29490, 679253, 1358506, 2037759, 3396265, 4075518, 6792530, 10188795, 20377590]

約数ペア:

[(1, 20377590), (2, 10188795), (3, 6792530), (5, 4075518), (6, 3396265), (10, 2037759), (15, 1358506), (30, 679253), (691, 29490), (983, 20730), (1382, 14745), (1966, 10365), (2073, 9830), (2949, 6910), (3455, 5898), (4146, 4915)]