20199084640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{621893}}^1$

素因数の和:621944

約数の個数: 96

約数和(自身を含む): 56418223680

約数和(自身を除く): 36219139040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 290, 406, 464, 560, 580, 812, 928, 1015, 1120, 1160, 1624, 2030, 2320, 3248, 4060, 4640, 6496, 8120, 16240, 32480, 621893, 1243786, 2487572, 3109465, 4353251, 4975144, 6218930, 8706502, 9950288, 12437860, 17413004, 18034897, 19900576, 21766255, 24875720, 34826008, 36069794, 43532510, 49751440, 69652016, 72139588, 87065020, 90174485, 99502880, 126244279, 139304032, 144279176, 174130040, 180348970, 252488558, 288558352, 348260080, 360697940, 504977116, 577116704, 631221395, 696520160, 721395880, 1009954232, 1262442790, 1442791760, 2019908464, 2524885580, 2885583520, 4039816928, 5049771160, 10099542320, 20199084640]

約数ペア:

[(1, 20199084640), (2, 10099542320), (4, 5049771160), (5, 4039816928), (7, 2885583520), (8, 2524885580), (10, 2019908464), (14, 1442791760), (16, 1262442790), (20, 1009954232), (28, 721395880), (29, 696520160), (32, 631221395), (35, 577116704), (40, 504977116), (56, 360697940), (58, 348260080), (70, 288558352), (80, 252488558), (112, 180348970), (116, 174130040), (140, 144279176), (145, 139304032), (160, 126244279), (203, 99502880), (224, 90174485), (232, 87065020), (280, 72139588), (290, 69652016), (406, 49751440), (464, 43532510), (560, 36069794), (580, 34826008), (812, 24875720), (928, 21766255), (1015, 19900576), (1120, 18034897), (1160, 17413004), (1624, 12437860), (2030, 9950288), (2320, 8706502), (3248, 6218930), (4060, 4975144), (4640, 4353251), (6496, 3109465), (8120, 2487572), (16240, 1243786), (32480, 621893)]