20390736

素因数分解:

$2^4\times 3^1\times {\mathrm{181}}^1\times {\mathrm{2347}}^1$

素因数の和:2539

約数の個数: 40

約数和(自身を含む): 52989664

約数和(自身を除く): 32598928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 181, 362, 543, 724, 1086, 1448, 2172, 2347, 2896, 4344, 4694, 7041, 8688, 9388, 14082, 18776, 28164, 37552, 56328, 112656, 424807, 849614, 1274421, 1699228, 2548842, 3398456, 5097684, 6796912, 10195368, 20390736]

約数ペア:

[(1, 20390736), (2, 10195368), (3, 6796912), (4, 5097684), (6, 3398456), (8, 2548842), (12, 1699228), (16, 1274421), (24, 849614), (48, 424807), (181, 112656), (362, 56328), (543, 37552), (724, 28164), (1086, 18776), (1448, 14082), (2172, 9388), (2347, 8688), (2896, 7041), (4344, 4694)]