20455896

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:484

約数の個数: 64

約数和(自身を含む): 54643680

約数和(自身を除く): 34187784

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 181, 204, 277, 362, 408, 543, 554, 724, 831, 1086, 1108, 1448, 1662, 2172, 2216, 3077, 3324, 4344, 4709, 6154, 6648, 9231, 9418, 12308, 14127, 18462, 18836, 24616, 28254, 36924, 37672, 50137, 56508, 73848, 100274, 113016, 150411, 200548, 300822, 401096, 601644, 852329, 1203288, 1704658, 2556987, 3409316, 5113974, 6818632, 10227948, 20455896]

約数ペア:

[(1, 20455896), (2, 10227948), (3, 6818632), (4, 5113974), (6, 3409316), (8, 2556987), (12, 1704658), (17, 1203288), (24, 852329), (34, 601644), (51, 401096), (68, 300822), (102, 200548), (136, 150411), (181, 113016), (204, 100274), (277, 73848), (362, 56508), (408, 50137), (543, 37672), (554, 36924), (724, 28254), (831, 24616), (1086, 18836), (1108, 18462), (1448, 14127), (1662, 12308), (2172, 9418), (2216, 9231), (3077, 6648), (3324, 6154), (4344, 4709)]