20594637

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{233}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 36211968

約数和(自身を除く): 15617331

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 161, 183, 207, 233, 427, 483, 549, 699, 1281, 1403, 1449, 1631, 2097, 3843, 4209, 4893, 5359, 9821, 12627, 14213, 14679, 16077, 29463, 37513, 42639, 48231, 88389, 99491, 112539, 127917, 298473, 326899, 337617, 895419, 980697, 2288293, 2942091, 6864879, 20594637]

約数ペア:

[(1, 20594637), (3, 6864879), (7, 2942091), (9, 2288293), (21, 980697), (23, 895419), (61, 337617), (63, 326899), (69, 298473), (161, 127917), (183, 112539), (207, 99491), (233, 88389), (427, 48231), (483, 42639), (549, 37513), (699, 29463), (1281, 16077), (1403, 14679), (1449, 14213), (1631, 12627), (2097, 9821), (3843, 5359), (4209, 4893)]