20879352

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{22307}}^1$

素因数の和:22332

約数の個数: 48

約数和(自身を含む): 60900840

約数和(自身を除く): 40021488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 22307, 44614, 66921, 89228, 133842, 178456, 200763, 267684, 289991, 401526, 535368, 579982, 803052, 869973, 1159964, 1606104, 1739946, 2319928, 2609919, 3479892, 5219838, 6959784, 10439676, 20879352]

約数ペア:

[(1, 20879352), (2, 10439676), (3, 6959784), (4, 5219838), (6, 3479892), (8, 2609919), (9, 2319928), (12, 1739946), (13, 1606104), (18, 1159964), (24, 869973), (26, 803052), (36, 579982), (39, 535368), (52, 401526), (72, 289991), (78, 267684), (104, 200763), (117, 178456), (156, 133842), (234, 89228), (312, 66921), (468, 44614), (936, 22307)]