20188974741

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{449}}^1\times {\mathrm{677}}^1$

素因数の和:1286

約数の個数: 48

約数和(自身を含む): 29479982400

約数和(自身を除く): 9291007659

約数列:

[1, 3, 13, 39, 131, 169, 393, 449, 507, 677, 1347, 1703, 2031, 5109, 5837, 8801, 17511, 22139, 26403, 58819, 66417, 75881, 88687, 114413, 176457, 227643, 266061, 303973, 343239, 764647, 911919, 1152931, 2293941, 3458793, 3951649, 9940411, 11854947, 14988103, 29821233, 39820463, 44964309, 51371437, 119461389, 154114311, 517666019, 1552998057, 6729658247, 20188974741]

約数ペア:

[(1, 20188974741), (3, 6729658247), (13, 1552998057), (39, 517666019), (131, 154114311), (169, 119461389), (393, 51371437), (449, 44964309), (507, 39820463), (677, 29821233), (1347, 14988103), (1703, 11854947), (2031, 9940411), (5109, 3951649), (5837, 3458793), (8801, 2293941), (17511, 1152931), (22139, 911919), (26403, 764647), (58819, 343239), (66417, 303973), (75881, 266061), (88687, 227643), (114413, 176457)]