20244540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4271}}^1$

素因数の和:4362

約数の個数: 48

約数和(自身を含む): 57415680

約数和(自身を除く): 37171140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 79, 158, 237, 316, 395, 474, 790, 948, 1185, 1580, 2370, 4271, 4740, 8542, 12813, 17084, 21355, 25626, 42710, 51252, 64065, 85420, 128130, 256260, 337409, 674818, 1012227, 1349636, 1687045, 2024454, 3374090, 4048908, 5061135, 6748180, 10122270, 20244540]

約数ペア:

[(1, 20244540), (2, 10122270), (3, 6748180), (4, 5061135), (5, 4048908), (6, 3374090), (10, 2024454), (12, 1687045), (15, 1349636), (20, 1012227), (30, 674818), (60, 337409), (79, 256260), (158, 128130), (237, 85420), (316, 64065), (395, 51252), (474, 42710), (790, 25626), (948, 21355), (1185, 17084), (1580, 12813), (2370, 8542), (4271, 4740)]