20120163110

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1\times {\mathrm{72997}}^1$

素因数の和:73688

約数の個数: 32

約数和(自身を含む): 37116855072

約数和(自身を除く): 16996691962

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 641, 1282, 3205, 6410, 27563, 55126, 72997, 137815, 145994, 275630, 364985, 729970, 3138871, 6277742, 15694355, 31388710, 46791077, 93582154, 233955385, 467910770, 2012016311, 4024032622, 10060081555, 20120163110]

約数ペア:

[(1, 20120163110), (2, 10060081555), (5, 4024032622), (10, 2012016311), (43, 467910770), (86, 233955385), (215, 93582154), (430, 46791077), (641, 31388710), (1282, 15694355), (3205, 6277742), (6410, 3138871), (27563, 729970), (55126, 364985), (72997, 275630), (137815, 145994)]