20182938280

素因数分解:

$2^3\times 5^1\times {\mathrm{15131}}^1\times {\mathrm{33347}}^1$

素因数の和:48489

約数の個数: 32

約数和(自身を含む): 45415974240

約数和(自身を除く): 25233035960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 15131, 30262, 33347, 60524, 66694, 75655, 121048, 133388, 151310, 166735, 266776, 302620, 333470, 605240, 666940, 1333880, 504573457, 1009146914, 2018293828, 2522867285, 4036587656, 5045734570, 10091469140, 20182938280]

約数ペア:

[(1, 20182938280), (2, 10091469140), (4, 5045734570), (5, 4036587656), (8, 2522867285), (10, 2018293828), (20, 1009146914), (40, 504573457), (15131, 1333880), (30262, 666940), (33347, 605240), (60524, 333470), (66694, 302620), (75655, 266776), (121048, 166735), (133388, 151310)]