20179074440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{637771}}^1$

素因数の和:637902

約数の個数: 64

約数和(自身を含む): 52348325760

約数和(自身を除く): 32169251320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 3164, 3955, 4520, 6328, 7910, 15820, 31640, 637771, 1275542, 2551084, 3188855, 4464397, 5102168, 6377710, 8928794, 12755420, 17857588, 22321985, 25510840, 35715176, 44643970, 72068123, 89287940, 144136246, 178575880, 288272492, 360340615, 504476861, 576544984, 720681230, 1008953722, 1441362460, 2017907444, 2522384305, 2882724920, 4035814888, 5044768610, 10089537220, 20179074440]

約数ペア:

[(1, 20179074440), (2, 10089537220), (4, 5044768610), (5, 4035814888), (7, 2882724920), (8, 2522384305), (10, 2017907444), (14, 1441362460), (20, 1008953722), (28, 720681230), (35, 576544984), (40, 504476861), (56, 360340615), (70, 288272492), (113, 178575880), (140, 144136246), (226, 89287940), (280, 72068123), (452, 44643970), (565, 35715176), (791, 25510840), (904, 22321985), (1130, 17857588), (1582, 12755420), (2260, 8928794), (3164, 6377710), (3955, 5102168), (4520, 4464397), (6328, 3188855), (7910, 2551084), (15820, 1275542), (31640, 637771)]