20690859852

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1426169}}^1$

素因数の和:1426223

約数の個数: 72

約数和(自身を含む): 58142098560

約数和(自身を除く): 37451238708

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 14508, 1426169, 2852338, 4278507, 5704676, 8557014, 12835521, 17114028, 18540197, 25671042, 37080394, 44211239, 51342084, 55620591, 74160788, 88422478, 111241182, 132633717, 166861773, 176844956, 222482364, 265267434, 333723546, 397901151, 530534868, 574746107, 667447092, 795802302, 1149492214, 1591604604, 1724238321, 2298984428, 3448476642, 5172714963, 6896953284, 10345429926, 20690859852]

約数ペア:

[(1, 20690859852), (2, 10345429926), (3, 6896953284), (4, 5172714963), (6, 3448476642), (9, 2298984428), (12, 1724238321), (13, 1591604604), (18, 1149492214), (26, 795802302), (31, 667447092), (36, 574746107), (39, 530534868), (52, 397901151), (62, 333723546), (78, 265267434), (93, 222482364), (117, 176844956), (124, 166861773), (156, 132633717), (186, 111241182), (234, 88422478), (279, 74160788), (372, 55620591), (403, 51342084), (468, 44211239), (558, 37080394), (806, 25671042), (1116, 18540197), (1209, 17114028), (1612, 12835521), (2418, 8557014), (3627, 5704676), (4836, 4278507), (7254, 2852338), (14508, 1426169)]