20355540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3359}}^1$

素因数の和:3472

約数の個数: 48

約数和(自身を含む): 57576960

約数和(自身を除く): 37221420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 303, 404, 505, 606, 1010, 1212, 1515, 2020, 3030, 3359, 6060, 6718, 10077, 13436, 16795, 20154, 33590, 40308, 50385, 67180, 100770, 201540, 339259, 678518, 1017777, 1357036, 1696295, 2035554, 3392590, 4071108, 5088885, 6785180, 10177770, 20355540]

約数ペア:

[(1, 20355540), (2, 10177770), (3, 6785180), (4, 5088885), (5, 4071108), (6, 3392590), (10, 2035554), (12, 1696295), (15, 1357036), (20, 1017777), (30, 678518), (60, 339259), (101, 201540), (202, 100770), (303, 67180), (404, 50385), (505, 40308), (606, 33590), (1010, 20154), (1212, 16795), (1515, 13436), (2020, 10077), (3030, 6718), (3359, 6060)]