20148678

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^3\times {\mathrm{29}}^2$

素因数の和:99

約数の個数: 72

約数和(自身を含む): 49730616

約数和(自身を除く): 29581938

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 29, 33, 58, 66, 87, 99, 121, 174, 198, 242, 261, 319, 363, 522, 638, 726, 841, 957, 1089, 1331, 1682, 1914, 2178, 2523, 2662, 2871, 3509, 3993, 5046, 5742, 7018, 7569, 7986, 9251, 10527, 11979, 15138, 18502, 21054, 23958, 27753, 31581, 38599, 55506, 63162, 77198, 83259, 101761, 115797, 166518, 203522, 231594, 305283, 347391, 610566, 694782, 915849, 1119371, 1831698, 2238742, 3358113, 6716226, 10074339, 20148678]

約数ペア:

[(1, 20148678), (2, 10074339), (3, 6716226), (6, 3358113), (9, 2238742), (11, 1831698), (18, 1119371), (22, 915849), (29, 694782), (33, 610566), (58, 347391), (66, 305283), (87, 231594), (99, 203522), (121, 166518), (174, 115797), (198, 101761), (242, 83259), (261, 77198), (319, 63162), (363, 55506), (522, 38599), (638, 31581), (726, 27753), (841, 23958), (957, 21054), (1089, 18502), (1331, 15138), (1682, 11979), (1914, 10527), (2178, 9251), (2523, 7986), (2662, 7569), (2871, 7018), (3509, 5742), (3993, 5046)]