20460872

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{593}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 40629600

約数和(自身を除く): 20168728

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 227, 454, 593, 908, 1186, 1816, 2372, 4313, 4744, 8626, 11267, 17252, 22534, 34504, 45068, 90136, 134611, 269222, 538444, 1076888, 2557609, 5115218, 10230436, 20460872]

約数ペア:

[(1, 20460872), (2, 10230436), (4, 5115218), (8, 2557609), (19, 1076888), (38, 538444), (76, 269222), (152, 134611), (227, 90136), (454, 45068), (593, 34504), (908, 22534), (1186, 17252), (1816, 11267), (2372, 8626), (4313, 4744)]