20158658

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:163

約数の個数: 48

約数和(自身を含む): 35750880

約数和(自身を除く): 15592222

約数列:

[1, 2, 13, 19, 26, 38, 43, 73, 86, 146, 169, 247, 338, 494, 559, 817, 949, 1118, 1387, 1634, 1898, 2774, 3139, 3211, 6278, 6422, 7267, 10621, 12337, 14534, 18031, 21242, 24674, 36062, 40807, 59641, 81614, 119282, 138073, 234403, 276146, 468806, 530491, 775333, 1060982, 1550666, 10079329, 20158658]

約数ペア:

[(1, 20158658), (2, 10079329), (13, 1550666), (19, 1060982), (26, 775333), (38, 530491), (43, 468806), (73, 276146), (86, 234403), (146, 138073), (169, 119282), (247, 81614), (338, 59641), (494, 40807), (559, 36062), (817, 24674), (949, 21242), (1118, 18031), (1387, 14534), (1634, 12337), (1898, 10621), (2774, 7267), (3139, 6422), (3211, 6278)]