20431612

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:226

約数の個数: 48

約数和(自身を含む): 39513600

約数和(自身を除く): 19081988

約数列:

[1, 2, 4, 19, 38, 41, 76, 79, 82, 83, 158, 164, 166, 316, 332, 779, 1501, 1558, 1577, 3002, 3116, 3154, 3239, 3403, 6004, 6308, 6478, 6557, 6806, 12956, 13114, 13612, 26228, 61541, 64657, 123082, 124583, 129314, 246164, 249166, 258628, 268837, 498332, 537674, 1075348, 5107903, 10215806, 20431612]

約数ペア:

[(1, 20431612), (2, 10215806), (4, 5107903), (19, 1075348), (38, 537674), (41, 498332), (76, 268837), (79, 258628), (82, 249166), (83, 246164), (158, 129314), (164, 124583), (166, 123082), (316, 64657), (332, 61541), (779, 26228), (1501, 13612), (1558, 13114), (1577, 12956), (3002, 6806), (3116, 6557), (3154, 6478), (3239, 6308), (3403, 6004)]