20875972

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{593}}^1\times {\mathrm{677}}^1$

素因数の和:1287

約数の個数: 24

約数和(自身を含む): 39467736

約数和(自身を除く): 18591764

約数列:

[1, 2, 4, 13, 26, 52, 593, 677, 1186, 1354, 2372, 2708, 7709, 8801, 15418, 17602, 30836, 35204, 401461, 802922, 1605844, 5218993, 10437986, 20875972]

約数ペア:

[(1, 20875972), (2, 10437986), (4, 5218993), (13, 1605844), (26, 802922), (52, 401461), (593, 35204), (677, 30836), (1186, 17602), (1354, 15418), (2372, 8801), (2708, 7709)]