20757492

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{27457}}^1$

素因数の和:27477

約数の個数: 48

約数和(自身を含む): 61505920

約数和(自身を除く): 40748428

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 27457, 54914, 82371, 109828, 164742, 192199, 247113, 329484, 384398, 494226, 576597, 741339, 768796, 988452, 1153194, 1482678, 1729791, 2306388, 2965356, 3459582, 5189373, 6919164, 10378746, 20757492]

約数ペア:

[(1, 20757492), (2, 10378746), (3, 6919164), (4, 5189373), (6, 3459582), (7, 2965356), (9, 2306388), (12, 1729791), (14, 1482678), (18, 1153194), (21, 988452), (27, 768796), (28, 741339), (36, 576597), (42, 494226), (54, 384398), (63, 329484), (84, 247113), (108, 192199), (126, 164742), (189, 109828), (252, 82371), (378, 54914), (756, 27457)]