20649816

素因数分解:

$2^3\times 3^4\times {\mathrm{11}}^1\times {\mathrm{2897}}^1$

素因数の和:2926

約数の個数: 80

約数和(自身を含む): 63118440

約数和(自身を除く): 42468624

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 22, 24, 27, 33, 36, 44, 54, 66, 72, 81, 88, 99, 108, 132, 162, 198, 216, 264, 297, 324, 396, 594, 648, 792, 891, 1188, 1782, 2376, 2897, 3564, 5794, 7128, 8691, 11588, 17382, 23176, 26073, 31867, 34764, 52146, 63734, 69528, 78219, 95601, 104292, 127468, 156438, 191202, 208584, 234657, 254936, 286803, 312876, 382404, 469314, 573606, 625752, 764808, 860409, 938628, 1147212, 1720818, 1877256, 2294424, 2581227, 3441636, 5162454, 6883272, 10324908, 20649816]

約数ペア:

[(1, 20649816), (2, 10324908), (3, 6883272), (4, 5162454), (6, 3441636), (8, 2581227), (9, 2294424), (11, 1877256), (12, 1720818), (18, 1147212), (22, 938628), (24, 860409), (27, 764808), (33, 625752), (36, 573606), (44, 469314), (54, 382404), (66, 312876), (72, 286803), (81, 254936), (88, 234657), (99, 208584), (108, 191202), (132, 156438), (162, 127468), (198, 104292), (216, 95601), (264, 78219), (297, 69528), (324, 63734), (396, 52146), (594, 34764), (648, 31867), (792, 26073), (891, 23176), (1188, 17382), (1782, 11588), (2376, 8691), (2897, 7128), (3564, 5794)]