20718672

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{33203}}^1$

素因数の和:33227

約数の個数: 40

約数和(自身を含む): 57642144

約数和(自身を除く): 36923472

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 33203, 66406, 99609, 132812, 199218, 265624, 398436, 431639, 531248, 796872, 863278, 1294917, 1593744, 1726556, 2589834, 3453112, 5179668, 6906224, 10359336, 20718672]

約数ペア:

[(1, 20718672), (2, 10359336), (3, 6906224), (4, 5179668), (6, 3453112), (8, 2589834), (12, 1726556), (13, 1593744), (16, 1294917), (24, 863278), (26, 796872), (39, 531248), (48, 431639), (52, 398436), (78, 265624), (104, 199218), (156, 132812), (208, 99609), (312, 66406), (624, 33203)]