20548257

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:409

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 10223967

約数列:

[1, 3, 17, 31, 41, 51, 93, 123, 317, 527, 697, 951, 1271, 1581, 2091, 3813, 5389, 9827, 12997, 16167, 21607, 29481, 38991, 64821, 167059, 220949, 402907, 501177, 662847, 1208721, 6849419, 20548257]

約数ペア:

[(1, 20548257), (3, 6849419), (17, 1208721), (31, 662847), (41, 501177), (51, 402907), (93, 220949), (123, 167059), (317, 64821), (527, 38991), (697, 29481), (951, 21607), (1271, 16167), (1581, 12997), (2091, 9827), (3813, 5389)]