20403492

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{821}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 50635200

約数和(自身を除く): 30231708

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 109, 114, 218, 228, 327, 436, 654, 821, 1308, 1642, 2071, 2463, 3284, 4142, 4926, 6213, 8284, 9852, 12426, 15599, 24852, 31198, 46797, 62396, 89489, 93594, 178978, 187188, 268467, 357956, 536934, 1073868, 1700291, 3400582, 5100873, 6801164, 10201746, 20403492]

約数ペア:

[(1, 20403492), (2, 10201746), (3, 6801164), (4, 5100873), (6, 3400582), (12, 1700291), (19, 1073868), (38, 536934), (57, 357956), (76, 268467), (109, 187188), (114, 178978), (218, 93594), (228, 89489), (327, 62396), (436, 46797), (654, 31198), (821, 24852), (1308, 15599), (1642, 12426), (2071, 9852), (2463, 8284), (3284, 6213), (4142, 4926)]