20967966

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{709}}^1$

素因数の和:801

約数の個数: 48

約数和(自身を含む): 47848320

約数和(自身を除く): 26880354

約数列:

[1, 2, 3, 6, 9, 18, 31, 53, 62, 93, 106, 159, 186, 279, 318, 477, 558, 709, 954, 1418, 1643, 2127, 3286, 4254, 4929, 6381, 9858, 12762, 14787, 21979, 29574, 37577, 43958, 65937, 75154, 112731, 131874, 197811, 225462, 338193, 395622, 676386, 1164887, 2329774, 3494661, 6989322, 10483983, 20967966]

約数ペア:

[(1, 20967966), (2, 10483983), (3, 6989322), (6, 3494661), (9, 2329774), (18, 1164887), (31, 676386), (53, 395622), (62, 338193), (93, 225462), (106, 197811), (159, 131874), (186, 112731), (279, 75154), (318, 65937), (477, 43958), (558, 37577), (709, 29574), (954, 21979), (1418, 14787), (1643, 12762), (2127, 9858), (3286, 6381), (4254, 4929)]