20653974

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1$

素因数の和:171

約数の個数: 96

約数和(自身を含む): 52668000

約数和(自身を除く): 32014026

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 29, 33, 54, 58, 66, 87, 99, 109, 121, 174, 198, 218, 242, 261, 297, 319, 327, 363, 522, 594, 638, 654, 726, 783, 957, 981, 1089, 1199, 1566, 1914, 1962, 2178, 2398, 2871, 2943, 3161, 3267, 3509, 3597, 5742, 5886, 6322, 6534, 7018, 7194, 8613, 9483, 10527, 10791, 13189, 17226, 18966, 21054, 21582, 26378, 28449, 31581, 32373, 34771, 39567, 56898, 63162, 64746, 69542, 79134, 85347, 94743, 104313, 118701, 170694, 189486, 208626, 237402, 312939, 356103, 382481, 625878, 712206, 764962, 938817, 1147443, 1877634, 2294886, 3442329, 6884658, 10326987, 20653974]

約数ペア:

[(1, 20653974), (2, 10326987), (3, 6884658), (6, 3442329), (9, 2294886), (11, 1877634), (18, 1147443), (22, 938817), (27, 764962), (29, 712206), (33, 625878), (54, 382481), (58, 356103), (66, 312939), (87, 237402), (99, 208626), (109, 189486), (121, 170694), (174, 118701), (198, 104313), (218, 94743), (242, 85347), (261, 79134), (297, 69542), (319, 64746), (327, 63162), (363, 56898), (522, 39567), (594, 34771), (638, 32373), (654, 31581), (726, 28449), (783, 26378), (957, 21582), (981, 21054), (1089, 18966), (1199, 17226), (1566, 13189), (1914, 10791), (1962, 10527), (2178, 9483), (2398, 8613), (2871, 7194), (2943, 7018), (3161, 6534), (3267, 6322), (3509, 5886), (3597, 5742)]