20460496

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1$

素因数の和:200

約数の個数: 80

約数和(自身を含む): 47996928

約数和(自身を除く): 27536432

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 71, 83, 112, 124, 142, 166, 217, 248, 284, 332, 434, 496, 497, 568, 581, 664, 868, 994, 1136, 1162, 1328, 1736, 1988, 2201, 2324, 2573, 3472, 3976, 4402, 4648, 5146, 5893, 7952, 8804, 9296, 10292, 11786, 15407, 17608, 18011, 20584, 23572, 30814, 35216, 36022, 41168, 41251, 47144, 61628, 72044, 82502, 94288, 123256, 144088, 165004, 182683, 246512, 288176, 330008, 365366, 660016, 730732, 1278781, 1461464, 2557562, 2922928, 5115124, 10230248, 20460496]

約数ペア:

[(1, 20460496), (2, 10230248), (4, 5115124), (7, 2922928), (8, 2557562), (14, 1461464), (16, 1278781), (28, 730732), (31, 660016), (56, 365366), (62, 330008), (71, 288176), (83, 246512), (112, 182683), (124, 165004), (142, 144088), (166, 123256), (217, 94288), (248, 82502), (284, 72044), (332, 61628), (434, 47144), (496, 41251), (497, 41168), (568, 36022), (581, 35216), (664, 30814), (868, 23572), (994, 20584), (1136, 18011), (1162, 17608), (1328, 15407), (1736, 11786), (1988, 10292), (2201, 9296), (2324, 8804), (2573, 7952), (3472, 5893), (3976, 5146), (4402, 4648)]