20397208

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{6763}}^1$

素因数の和:6811

約数の個数: 32

約数和(自身を含む): 42613200

約数和(自身を除く): 22215992

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 232, 377, 754, 1508, 3016, 6763, 13526, 27052, 54104, 87919, 175838, 196127, 351676, 392254, 703352, 784508, 1569016, 2549651, 5099302, 10198604, 20397208]

約数ペア:

[(1, 20397208), (2, 10198604), (4, 5099302), (8, 2549651), (13, 1569016), (26, 784508), (29, 703352), (52, 392254), (58, 351676), (104, 196127), (116, 175838), (232, 87919), (377, 54104), (754, 27052), (1508, 13526), (3016, 6763)]