20015281089

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{353}}^1\times {\mathrm{39623}}^1$

素因数の和:40038

約数の個数: 32

約数和(自身を含む): 30298095360

約数和(自身を除く): 10282814271

約数列:

[1, 3, 9, 27, 53, 159, 353, 477, 1059, 1431, 3177, 9531, 18709, 39623, 56127, 118869, 168381, 356607, 505143, 1069821, 2100019, 6300057, 13986919, 18900171, 41960757, 56700513, 125882271, 377646813, 741306707, 2223920121, 6671760363, 20015281089]

約数ペア:

[(1, 20015281089), (3, 6671760363), (9, 2223920121), (27, 741306707), (53, 377646813), (159, 125882271), (353, 56700513), (477, 41960757), (1059, 18900171), (1431, 13986919), (3177, 6300057), (9531, 2100019), (18709, 1069821), (39623, 505143), (56127, 356607), (118869, 168381)]