20116668

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:667

約数の個数: 96

約数和(自身を含む): 58141440

約数和(自身を除く): 38024772

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 19, 22, 26, 33, 38, 39, 44, 52, 57, 66, 76, 78, 114, 132, 143, 156, 209, 228, 247, 286, 418, 429, 494, 572, 617, 627, 741, 836, 858, 988, 1234, 1254, 1482, 1716, 1851, 2468, 2508, 2717, 2964, 3702, 5434, 6787, 7404, 8021, 8151, 10868, 11723, 13574, 16042, 16302, 20361, 23446, 24063, 27148, 32084, 32604, 35169, 40722, 46892, 48126, 70338, 81444, 88231, 96252, 128953, 140676, 152399, 176462, 257906, 264693, 304798, 352924, 386859, 457197, 515812, 529386, 609596, 773718, 914394, 1058772, 1547436, 1676389, 1828788, 3352778, 5029167, 6705556, 10058334, 20116668]

約数ペア:

[(1, 20116668), (2, 10058334), (3, 6705556), (4, 5029167), (6, 3352778), (11, 1828788), (12, 1676389), (13, 1547436), (19, 1058772), (22, 914394), (26, 773718), (33, 609596), (38, 529386), (39, 515812), (44, 457197), (52, 386859), (57, 352924), (66, 304798), (76, 264693), (78, 257906), (114, 176462), (132, 152399), (143, 140676), (156, 128953), (209, 96252), (228, 88231), (247, 81444), (286, 70338), (418, 48126), (429, 46892), (494, 40722), (572, 35169), (617, 32604), (627, 32084), (741, 27148), (836, 24063), (858, 23446), (988, 20361), (1234, 16302), (1254, 16042), (1482, 13574), (1716, 11723), (1851, 10868), (2468, 8151), (2508, 8021), (2717, 7404), (2964, 6787), (3702, 5434)]