20992752

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{457}}^1$

素因数の和:511

約数の個数: 120

約数和(自身を含む): 66446640

約数和(自身を除く): 45453888

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 29, 33, 36, 44, 48, 58, 66, 72, 87, 88, 99, 116, 132, 144, 174, 176, 198, 232, 261, 264, 319, 348, 396, 457, 464, 522, 528, 638, 696, 792, 914, 957, 1044, 1276, 1371, 1392, 1584, 1828, 1914, 2088, 2552, 2742, 2871, 3656, 3828, 4113, 4176, 5027, 5104, 5484, 5742, 7312, 7656, 8226, 10054, 10968, 11484, 13253, 15081, 15312, 16452, 20108, 21936, 22968, 26506, 30162, 32904, 39759, 40216, 45243, 45936, 53012, 60324, 65808, 79518, 80432, 90486, 106024, 119277, 120648, 145783, 159036, 180972, 212048, 238554, 241296, 291566, 318072, 361944, 437349, 477108, 583132, 636144, 723888, 874698, 954216, 1166264, 1312047, 1749396, 1908432, 2332528, 2624094, 3498792, 5248188, 6997584, 10496376, 20992752]

約数ペア:

[(1, 20992752), (2, 10496376), (3, 6997584), (4, 5248188), (6, 3498792), (8, 2624094), (9, 2332528), (11, 1908432), (12, 1749396), (16, 1312047), (18, 1166264), (22, 954216), (24, 874698), (29, 723888), (33, 636144), (36, 583132), (44, 477108), (48, 437349), (58, 361944), (66, 318072), (72, 291566), (87, 241296), (88, 238554), (99, 212048), (116, 180972), (132, 159036), (144, 145783), (174, 120648), (176, 119277), (198, 106024), (232, 90486), (261, 80432), (264, 79518), (319, 65808), (348, 60324), (396, 53012), (457, 45936), (464, 45243), (522, 40216), (528, 39759), (638, 32904), (696, 30162), (792, 26506), (914, 22968), (957, 21936), (1044, 20108), (1276, 16452), (1371, 15312), (1392, 15081), (1584, 13253), (1828, 11484), (1914, 10968), (2088, 10054), (2552, 8226), (2742, 7656), (2871, 7312), (3656, 5742), (3828, 5484), (4113, 5104), (4176, 5027)]