20716956

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{44267}}^1$

素因数の和:44290

約数の個数: 36

約数和(自身を含む): 56397432

約数和(自身を除く): 35680476

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 44267, 88534, 132801, 177068, 265602, 398403, 531204, 575471, 796806, 1150942, 1593612, 1726413, 2301884, 3452826, 5179239, 6905652, 10358478, 20716956]

約数ペア:

[(1, 20716956), (2, 10358478), (3, 6905652), (4, 5179239), (6, 3452826), (9, 2301884), (12, 1726413), (13, 1593612), (18, 1150942), (26, 796806), (36, 575471), (39, 531204), (52, 398403), (78, 265602), (117, 177068), (156, 132801), (234, 88534), (468, 44267)]