20452270090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{1384717}}^1$

素因数の和:1384942

約数の個数: 32

約数和(自身を含む): 42272671104

約数和(自身を除く): 21820401014

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 211, 422, 1055, 1477, 2110, 2954, 7385, 14770, 1384717, 2769434, 6923585, 9693019, 13847170, 19386038, 48465095, 96930190, 292175287, 584350574, 1460876435, 2045227009, 2921752870, 4090454018, 10226135045, 20452270090]

約数ペア:

[(1, 20452270090), (2, 10226135045), (5, 4090454018), (7, 2921752870), (10, 2045227009), (14, 1460876435), (35, 584350574), (70, 292175287), (211, 96930190), (422, 48465095), (1055, 19386038), (1477, 13847170), (2110, 9693019), (2954, 6923585), (7385, 2769434), (14770, 1384717)]