20705014

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 39191040

約数和(自身を除く): 18486026

約数列:

[1, 2, 11, 17, 22, 23, 29, 34, 46, 58, 83, 166, 187, 253, 319, 374, 391, 493, 506, 638, 667, 782, 913, 986, 1334, 1411, 1826, 1909, 2407, 2822, 3818, 4301, 4814, 5423, 7337, 8602, 10846, 11339, 14674, 15521, 20999, 22678, 26477, 31042, 32453, 40919, 41998, 52954, 55361, 64906, 81838, 110722, 124729, 249458, 356983, 450109, 608971, 713966, 900218, 941137, 1217942, 1882274, 10352507, 20705014]

約数ペア:

[(1, 20705014), (2, 10352507), (11, 1882274), (17, 1217942), (22, 941137), (23, 900218), (29, 713966), (34, 608971), (46, 450109), (58, 356983), (83, 249458), (166, 124729), (187, 110722), (253, 81838), (319, 64906), (374, 55361), (391, 52954), (493, 41998), (506, 40919), (638, 32453), (667, 31042), (782, 26477), (913, 22678), (986, 20999), (1334, 15521), (1411, 14674), (1826, 11339), (1909, 10846), (2407, 8602), (2822, 7337), (3818, 5423), (4301, 4814)]