20586951

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:572

約数の個数: 48

約数和(自身を含む): 37759488

約数和(自身を除く): 17172537

約数列:

[1, 3, 7, 9, 11, 21, 33, 61, 63, 77, 99, 183, 231, 427, 487, 549, 671, 693, 1281, 1461, 2013, 3409, 3843, 4383, 4697, 5357, 6039, 10227, 14091, 16071, 29707, 30681, 37499, 42273, 48213, 89121, 112497, 207949, 267363, 326777, 337491, 623847, 980331, 1871541, 2287439, 2940993, 6862317, 20586951]

約数ペア:

[(1, 20586951), (3, 6862317), (7, 2940993), (9, 2287439), (11, 1871541), (21, 980331), (33, 623847), (61, 337491), (63, 326777), (77, 267363), (99, 207949), (183, 112497), (231, 89121), (427, 48213), (487, 42273), (549, 37499), (671, 30681), (693, 29707), (1281, 16071), (1461, 14091), (2013, 10227), (3409, 6039), (3843, 5357), (4383, 4697)]