20744520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{172871}}^1$

素因数の和:172885

約数の個数: 32

約数和(自身を含む): 62233920

約数和(自身を除く): 41489400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 172871, 345742, 518613, 691484, 864355, 1037226, 1382968, 1728710, 2074452, 2593065, 3457420, 4148904, 5186130, 6914840, 10372260, 20744520]

約数ペア:

[(1, 20744520), (2, 10372260), (3, 6914840), (4, 5186130), (5, 4148904), (6, 3457420), (8, 2593065), (10, 2074452), (12, 1728710), (15, 1382968), (20, 1037226), (24, 864355), (30, 691484), (40, 518613), (60, 345742), (120, 172871)]