220748540

素因数分解:

$2^2\times 5^1\times {\mathrm{1889}}^1\times {\mathrm{5843}}^1$

素因数の和:7741

約数の個数: 24

約数和(自身を含む): 463896720

約数和(自身を除く): 243148180

約数列:

[1, 2, 4, 5, 10, 20, 1889, 3778, 5843, 7556, 9445, 11686, 18890, 23372, 29215, 37780, 58430, 116860, 11037427, 22074854, 44149708, 55187135, 110374270, 220748540]

約数ペア:

[(1, 220748540), (2, 110374270), (4, 55187135), (5, 44149708), (10, 22074854), (20, 11037427), (1889, 116860), (3778, 58430), (5843, 37780), (7556, 29215), (9445, 23372), (11686, 18890)]