20478393

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{1423}}^1$

素因数の和:1486

約数の個数: 32

約数和(自身を含む): 33492480

約数和(自身を除く): 13014087

約数列:

[1, 3, 9, 13, 27, 39, 41, 117, 123, 351, 369, 533, 1107, 1423, 1599, 4269, 4797, 12807, 14391, 18499, 38421, 55497, 58343, 166491, 175029, 499473, 525087, 758459, 1575261, 2275377, 6826131, 20478393]

約数ペア:

[(1, 20478393), (3, 6826131), (9, 2275377), (13, 1575261), (27, 758459), (39, 525087), (41, 499473), (117, 175029), (123, 166491), (351, 58343), (369, 55497), (533, 38421), (1107, 18499), (1423, 14391), (1599, 12807), (4269, 4797)]