20084750

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:546

約数の個数: 64

約数和(自身を含む): 44928000

約数和(自身を除く): 24843250

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 35, 46, 50, 70, 115, 125, 161, 175, 230, 250, 322, 350, 499, 575, 805, 875, 998, 1150, 1610, 1750, 2495, 2875, 3493, 4025, 4990, 5750, 6986, 8050, 11477, 12475, 17465, 20125, 22954, 24950, 34930, 40250, 57385, 62375, 80339, 87325, 114770, 124750, 160678, 174650, 286925, 401695, 436625, 573850, 803390, 873250, 1434625, 2008475, 2869250, 4016950, 10042375, 20084750]

約数ペア:

[(1, 20084750), (2, 10042375), (5, 4016950), (7, 2869250), (10, 2008475), (14, 1434625), (23, 873250), (25, 803390), (35, 573850), (46, 436625), (50, 401695), (70, 286925), (115, 174650), (125, 160678), (161, 124750), (175, 114770), (230, 87325), (250, 80339), (322, 62375), (350, 57385), (499, 40250), (575, 34930), (805, 24950), (875, 22954), (998, 20125), (1150, 17465), (1610, 12475), (1750, 11477), (2495, 8050), (2875, 6986), (3493, 5750), (4025, 4990)]