20175861496

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2137}}^1\times {\mathrm{3181}}^1$

素因数の和:5384

約数の個数: 64

約数和(自身を含む): 44084191680

約数和(自身を除く): 23908330184

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2137, 2968, 3181, 4274, 6362, 8548, 12724, 14959, 17096, 22267, 25448, 29918, 44534, 59836, 89068, 113261, 119672, 168593, 178136, 226522, 337186, 453044, 674372, 792827, 906088, 1180151, 1348744, 1585654, 2360302, 3171308, 4720604, 6342616, 6797797, 9441208, 13595594, 27191188, 47584579, 54382376, 95169158, 190338316, 360283241, 380676632, 720566482, 1441132964, 2521982687, 2882265928, 5043965374, 10087930748, 20175861496]

約数ペア:

[(1, 20175861496), (2, 10087930748), (4, 5043965374), (7, 2882265928), (8, 2521982687), (14, 1441132964), (28, 720566482), (53, 380676632), (56, 360283241), (106, 190338316), (212, 95169158), (371, 54382376), (424, 47584579), (742, 27191188), (1484, 13595594), (2137, 9441208), (2968, 6797797), (3181, 6342616), (4274, 4720604), (6362, 3171308), (8548, 2360302), (12724, 1585654), (14959, 1348744), (17096, 1180151), (22267, 906088), (25448, 792827), (29918, 674372), (44534, 453044), (59836, 337186), (89068, 226522), (113261, 178136), (119672, 168593)]