20053838

素因数分解:

$2^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:118

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18653362

約数列:

[1, 2, 7, 14, 23, 31, 41, 46, 49, 62, 82, 98, 161, 217, 287, 322, 343, 434, 574, 686, 713, 943, 1127, 1271, 1426, 1519, 1886, 2009, 2254, 2542, 3038, 4018, 4991, 6601, 7889, 8897, 9982, 10633, 13202, 14063, 15778, 17794, 21266, 28126, 29233, 34937, 46207, 58466, 62279, 69874, 92414, 124558, 204631, 244559, 323449, 409262, 435953, 489118, 646898, 871906, 1432417, 2864834, 10026919, 20053838]

約数ペア:

[(1, 20053838), (2, 10026919), (7, 2864834), (14, 1432417), (23, 871906), (31, 646898), (41, 489118), (46, 435953), (49, 409262), (62, 323449), (82, 244559), (98, 204631), (161, 124558), (217, 92414), (287, 69874), (322, 62279), (343, 58466), (434, 46207), (574, 34937), (686, 29233), (713, 28126), (943, 21266), (1127, 17794), (1271, 15778), (1426, 14063), (1519, 13202), (1886, 10633), (2009, 9982), (2254, 8897), (2542, 7889), (3038, 6601), (4018, 4991)]