20215912

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{163}}^1\times {\mathrm{419}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 39261600

約数和(自身を除く): 19045688

約数列:

[1, 2, 4, 8, 37, 74, 148, 163, 296, 326, 419, 652, 838, 1304, 1676, 3352, 6031, 12062, 15503, 24124, 31006, 48248, 62012, 68297, 124024, 136594, 273188, 546376, 2526989, 5053978, 10107956, 20215912]

約数ペア:

[(1, 20215912), (2, 10107956), (4, 5053978), (8, 2526989), (37, 546376), (74, 273188), (148, 136594), (163, 124024), (296, 68297), (326, 62012), (419, 48248), (652, 31006), (838, 24124), (1304, 15503), (1676, 12062), (3352, 6031)]