20097400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{257}}^1$

素因数の和:313

約数の個数: 96

約数和(自身を含む): 51827040

約数和(自身を除く): 31729640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 23, 25, 34, 40, 46, 50, 68, 85, 92, 100, 115, 136, 170, 184, 200, 230, 257, 340, 391, 425, 460, 514, 575, 680, 782, 850, 920, 1028, 1150, 1285, 1564, 1700, 1955, 2056, 2300, 2570, 3128, 3400, 3910, 4369, 4600, 5140, 5911, 6425, 7820, 8738, 9775, 10280, 11822, 12850, 15640, 17476, 19550, 21845, 23644, 25700, 29555, 34952, 39100, 43690, 47288, 51400, 59110, 78200, 87380, 100487, 109225, 118220, 147775, 174760, 200974, 218450, 236440, 295550, 401948, 436900, 502435, 591100, 803896, 873800, 1004870, 1182200, 2009740, 2512175, 4019480, 5024350, 10048700, 20097400]

約数ペア:

[(1, 20097400), (2, 10048700), (4, 5024350), (5, 4019480), (8, 2512175), (10, 2009740), (17, 1182200), (20, 1004870), (23, 873800), (25, 803896), (34, 591100), (40, 502435), (46, 436900), (50, 401948), (68, 295550), (85, 236440), (92, 218450), (100, 200974), (115, 174760), (136, 147775), (170, 118220), (184, 109225), (200, 100487), (230, 87380), (257, 78200), (340, 59110), (391, 51400), (425, 47288), (460, 43690), (514, 39100), (575, 34952), (680, 29555), (782, 25700), (850, 23644), (920, 21845), (1028, 19550), (1150, 17476), (1285, 15640), (1564, 12850), (1700, 11822), (1955, 10280), (2056, 9775), (2300, 8738), (2570, 7820), (3128, 6425), (3400, 5911), (3910, 5140), (4369, 4600)]