20279116

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:343

約数の個数: 48

約数和(自身を含む): 42180768

約数和(自身を除く): 21901652

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 121, 143, 242, 286, 293, 484, 572, 586, 1172, 1331, 1573, 2662, 3146, 3223, 3809, 5324, 6292, 6446, 7618, 12892, 15236, 17303, 34606, 35453, 41899, 69212, 70906, 83798, 141812, 167596, 389983, 460889, 779966, 921778, 1559932, 1843556, 5069779, 10139558, 20279116]

約数ペア:

[(1, 20279116), (2, 10139558), (4, 5069779), (11, 1843556), (13, 1559932), (22, 921778), (26, 779966), (44, 460889), (52, 389983), (121, 167596), (143, 141812), (242, 83798), (286, 70906), (293, 69212), (484, 41899), (572, 35453), (586, 34606), (1172, 17303), (1331, 15236), (1573, 12892), (2662, 7618), (3146, 6446), (3223, 6292), (3809, 5324)]