20077275

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 35283456

約数和(自身を除く): 15206181

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 103, 113, 115, 309, 339, 345, 515, 565, 575, 1545, 1695, 1725, 2369, 2575, 2599, 2825, 7107, 7725, 7797, 8475, 11639, 11845, 12995, 34917, 35535, 38985, 58195, 59225, 64975, 174585, 177675, 194925, 267697, 290975, 803091, 872925, 1338485, 4015455, 6692425, 20077275]

約数ペア:

[(1, 20077275), (3, 6692425), (5, 4015455), (15, 1338485), (23, 872925), (25, 803091), (69, 290975), (75, 267697), (103, 194925), (113, 177675), (115, 174585), (309, 64975), (339, 59225), (345, 58195), (515, 38985), (565, 35535), (575, 34917), (1545, 12995), (1695, 11845), (1725, 11639), (2369, 8475), (2575, 7797), (2599, 7725), (2825, 7107)]