20100651

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 32

約数和(自身を含む): 29568000

約数和(自身を除く): 9467349

約数列:

[1, 3, 19, 43, 57, 59, 129, 139, 177, 417, 817, 1121, 2451, 2537, 2641, 3363, 5977, 7611, 7923, 8201, 17931, 24603, 48203, 113563, 144609, 155819, 340689, 352643, 467457, 1057929, 6700217, 20100651]

約数ペア:

[(1, 20100651), (3, 6700217), (19, 1057929), (43, 467457), (57, 352643), (59, 340689), (129, 155819), (139, 144609), (177, 113563), (417, 48203), (817, 24603), (1121, 17931), (2451, 8201), (2537, 7923), (2641, 7611), (3363, 5977)]