20345182

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 37537920

約数和(自身を除く): 17192738

約数列:

[1, 2, 11, 13, 22, 26, 29, 58, 121, 143, 223, 242, 286, 319, 377, 446, 638, 754, 1573, 2453, 2899, 3146, 3509, 4147, 4906, 5798, 6467, 7018, 8294, 12934, 26983, 31889, 45617, 53966, 63778, 71137, 84071, 91234, 142274, 168142, 350779, 701558, 782507, 924781, 1565014, 1849562, 10172591, 20345182]

約数ペア:

[(1, 20345182), (2, 10172591), (11, 1849562), (13, 1565014), (22, 924781), (26, 782507), (29, 701558), (58, 350779), (121, 168142), (143, 142274), (223, 91234), (242, 84071), (286, 71137), (319, 63778), (377, 53966), (446, 45617), (638, 31889), (754, 26983), (1573, 12934), (2453, 8294), (2899, 7018), (3146, 6467), (3509, 5798), (4147, 4906)]