20464240928

素因数分解:

$2^5\times {\mathrm{19}}^2\times {\mathrm{1771489}}^1$

素因数の和:1771537

約数の個数: 36

約数和(自身を含む): 42521074470

約数和(自身を除く): 22056833542

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 361, 608, 722, 1444, 2888, 5776, 11552, 1771489, 3542978, 7085956, 14171912, 28343824, 33658291, 56687648, 67316582, 134633164, 269266328, 538532656, 639507529, 1077065312, 1279015058, 2558030116, 5116060232, 10232120464, 20464240928]

約数ペア:

[(1, 20464240928), (2, 10232120464), (4, 5116060232), (8, 2558030116), (16, 1279015058), (19, 1077065312), (32, 639507529), (38, 538532656), (76, 269266328), (152, 134633164), (304, 67316582), (361, 56687648), (608, 33658291), (722, 28343824), (1444, 14171912), (2888, 7085956), (5776, 3542978), (11552, 1771489)]