20642848

素因数分解:

$2^5\times {\mathrm{103}}^1\times {\mathrm{6263}}^1$

素因数の和:6376

約数の個数: 24

約数和(自身を含む): 41041728

約数和(自身を除く): 20398880

約数列:

[1, 2, 4, 8, 16, 32, 103, 206, 412, 824, 1648, 3296, 6263, 12526, 25052, 50104, 100208, 200416, 645089, 1290178, 2580356, 5160712, 10321424, 20642848]

約数ペア:

[(1, 20642848), (2, 10321424), (4, 5160712), (8, 2580356), (16, 1290178), (32, 645089), (103, 200416), (206, 100208), (412, 50104), (824, 25052), (1648, 12526), (3296, 6263)]