20498390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{307}}^1\times {\mathrm{607}}^1$

素因数の和:932

約数の個数: 32

約数和(自身を含む): 40449024

約数和(自身を除く): 19950634

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 307, 607, 614, 1214, 1535, 3035, 3070, 3377, 6070, 6677, 6754, 13354, 16885, 33385, 33770, 66770, 186349, 372698, 931745, 1863490, 2049839, 4099678, 10249195, 20498390]

約数ペア:

[(1, 20498390), (2, 10249195), (5, 4099678), (10, 2049839), (11, 1863490), (22, 931745), (55, 372698), (110, 186349), (307, 66770), (607, 33770), (614, 33385), (1214, 16885), (1535, 13354), (3035, 6754), (3070, 6677), (3377, 6070)]