20691260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{1451}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 46835712

約数和(自身を除く): 26144452

約数列:

[1, 2, 4, 5, 10, 20, 23, 31, 46, 62, 92, 115, 124, 155, 230, 310, 460, 620, 713, 1426, 1451, 2852, 2902, 3565, 5804, 7130, 7255, 14260, 14510, 29020, 33373, 44981, 66746, 89962, 133492, 166865, 179924, 224905, 333730, 449810, 667460, 899620, 1034563, 2069126, 4138252, 5172815, 10345630, 20691260]

約数ペア:

[(1, 20691260), (2, 10345630), (4, 5172815), (5, 4138252), (10, 2069126), (20, 1034563), (23, 899620), (31, 667460), (46, 449810), (62, 333730), (92, 224905), (115, 179924), (124, 166865), (155, 133492), (230, 89962), (310, 66746), (460, 44981), (620, 33373), (713, 29020), (1426, 14510), (1451, 14260), (2852, 7255), (2902, 7130), (3565, 5804)]