20351252

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{4003}}^1$

素因数の和:4079

約数の個数: 24

約数和(自身を含む): 37669632

約数和(自身を除く): 17318380

約数列:

[1, 2, 4, 31, 41, 62, 82, 124, 164, 1271, 2542, 4003, 5084, 8006, 16012, 124093, 164123, 248186, 328246, 496372, 656492, 5087813, 10175626, 20351252]

約数ペア:

[(1, 20351252), (2, 10175626), (4, 5087813), (31, 656492), (41, 496372), (62, 328246), (82, 248186), (124, 164123), (164, 124093), (1271, 16012), (2542, 8006), (4003, 5084)]