20510226

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:149

約数の個数: 96

約数和(自身を含む): 51965760

約数和(自身を除く): 31455534

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 43, 54, 66, 73, 86, 99, 121, 129, 146, 198, 219, 242, 258, 297, 363, 387, 438, 473, 594, 657, 726, 774, 803, 946, 1089, 1161, 1314, 1419, 1606, 1971, 2178, 2322, 2409, 2838, 3139, 3267, 3942, 4257, 4818, 5203, 6278, 6534, 7227, 8514, 8833, 9417, 10406, 12771, 14454, 15609, 17666, 18834, 21681, 25542, 26499, 28251, 31218, 34529, 43362, 46827, 52998, 56502, 69058, 79497, 84753, 93654, 103587, 140481, 158994, 169506, 207174, 238491, 280962, 310761, 379819, 476982, 621522, 759638, 932283, 1139457, 1864566, 2278914, 3418371, 6836742, 10255113, 20510226]

約数ペア:

[(1, 20510226), (2, 10255113), (3, 6836742), (6, 3418371), (9, 2278914), (11, 1864566), (18, 1139457), (22, 932283), (27, 759638), (33, 621522), (43, 476982), (54, 379819), (66, 310761), (73, 280962), (86, 238491), (99, 207174), (121, 169506), (129, 158994), (146, 140481), (198, 103587), (219, 93654), (242, 84753), (258, 79497), (297, 69058), (363, 56502), (387, 52998), (438, 46827), (473, 43362), (594, 34529), (657, 31218), (726, 28251), (774, 26499), (803, 25542), (946, 21681), (1089, 18834), (1161, 17666), (1314, 15609), (1419, 14454), (1606, 12771), (1971, 10406), (2178, 9417), (2322, 8833), (2409, 8514), (2838, 7227), (3139, 6534), (3267, 6278), (3942, 5203), (4257, 4818)]