20699568

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4637}}^1$

素因数の和:4682

約数の個数: 60

約数和(自身を含む): 59811648

約数和(自身を除く): 39112080

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4637, 9274, 13911, 18548, 27822, 37096, 41733, 55644, 74192, 83466, 111288, 143747, 166932, 222576, 287494, 333864, 431241, 574988, 667728, 862482, 1149976, 1293723, 1724964, 2299952, 2587446, 3449928, 5174892, 6899856, 10349784, 20699568]

約数ペア:

[(1, 20699568), (2, 10349784), (3, 6899856), (4, 5174892), (6, 3449928), (8, 2587446), (9, 2299952), (12, 1724964), (16, 1293723), (18, 1149976), (24, 862482), (31, 667728), (36, 574988), (48, 431241), (62, 333864), (72, 287494), (93, 222576), (124, 166932), (144, 143747), (186, 111288), (248, 83466), (279, 74192), (372, 55644), (496, 41733), (558, 37096), (744, 27822), (1116, 18548), (1488, 13911), (2232, 9274), (4464, 4637)]