20996856

素因数分解:

$2^3\times 3^2\times {\mathrm{193}}^1\times {\mathrm{1511}}^1$

素因数の和:1716

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 36202104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 193, 386, 579, 772, 1158, 1511, 1544, 1737, 2316, 3022, 3474, 4533, 4632, 6044, 6948, 9066, 12088, 13599, 13896, 18132, 27198, 36264, 54396, 108792, 291623, 583246, 874869, 1166492, 1749738, 2332984, 2624607, 3499476, 5249214, 6998952, 10498428, 20996856]

約数ペア:

[(1, 20996856), (2, 10498428), (3, 6998952), (4, 5249214), (6, 3499476), (8, 2624607), (9, 2332984), (12, 1749738), (18, 1166492), (24, 874869), (36, 583246), (72, 291623), (193, 108792), (386, 54396), (579, 36264), (772, 27198), (1158, 18132), (1511, 13896), (1544, 13599), (1737, 12088), (2316, 9066), (3022, 6948), (3474, 6044), (4533, 4632)]