20798726

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:344

約数の個数: 32

約数和(自身を含む): 34927200

約数和(自身を除く): 14128474

約数列:

[1, 2, 13, 26, 41, 82, 109, 179, 218, 358, 533, 1066, 1417, 2327, 2834, 4469, 4654, 7339, 8938, 14678, 19511, 39022, 58097, 95407, 116194, 190814, 253643, 507286, 799951, 1599902, 10399363, 20798726]

約数ペア:

[(1, 20798726), (2, 10399363), (13, 1599902), (26, 799951), (41, 507286), (82, 253643), (109, 190814), (179, 116194), (218, 95407), (358, 58097), (533, 39022), (1066, 19511), (1417, 14678), (2327, 8938), (2834, 7339), (4469, 4654)]