20980102

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{673}}^1$

素因数の和:808

約数の個数: 32

約数和(自身を含む): 37366560

約数和(自身を除く): 16386458

約数列:

[1, 2, 11, 13, 22, 26, 109, 143, 218, 286, 673, 1199, 1346, 1417, 2398, 2834, 7403, 8749, 14806, 15587, 17498, 31174, 73357, 96239, 146714, 192478, 806927, 953641, 1613854, 1907282, 10490051, 20980102]

約数ペア:

[(1, 20980102), (2, 10490051), (11, 1907282), (13, 1613854), (22, 953641), (26, 806927), (109, 192478), (143, 146714), (218, 96239), (286, 73357), (673, 31174), (1199, 17498), (1346, 15587), (1417, 14806), (2398, 8749), (2834, 7403)]