20426760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2467}}^1$

素因数の和:2507

約数の個数: 96

約数和(自身を含む): 69301440

約数和(自身を除く): 48874680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2467, 2760, 4140, 4934, 7401, 8280, 9868, 12335, 14802, 19736, 22203, 24670, 29604, 37005, 44406, 49340, 56741, 59208, 74010, 88812, 98680, 111015, 113482, 148020, 170223, 177624, 222030, 226964, 283705, 296040, 340446, 444060, 453928, 510669, 567410, 680892, 851115, 888120, 1021338, 1134820, 1361784, 1702230, 2042676, 2269640, 2553345, 3404460, 4085352, 5106690, 6808920, 10213380, 20426760]

約数ペア:

[(1, 20426760), (2, 10213380), (3, 6808920), (4, 5106690), (5, 4085352), (6, 3404460), (8, 2553345), (9, 2269640), (10, 2042676), (12, 1702230), (15, 1361784), (18, 1134820), (20, 1021338), (23, 888120), (24, 851115), (30, 680892), (36, 567410), (40, 510669), (45, 453928), (46, 444060), (60, 340446), (69, 296040), (72, 283705), (90, 226964), (92, 222030), (115, 177624), (120, 170223), (138, 148020), (180, 113482), (184, 111015), (207, 98680), (230, 88812), (276, 74010), (345, 59208), (360, 56741), (414, 49340), (460, 44406), (552, 37005), (690, 29604), (828, 24670), (920, 22203), (1035, 19736), (1380, 14802), (1656, 12335), (2070, 9868), (2467, 8280), (2760, 7401), (4140, 4934)]