20182497640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{409}}^1\times {\mathrm{30089}}^1$

素因数の和:30550

約数の個数: 64

約数和(自身を含む): 46633482000

約数和(自身を除く): 26450984360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 409, 410, 818, 820, 1636, 1640, 2045, 3272, 4090, 8180, 16360, 16769, 30089, 33538, 60178, 67076, 83845, 120356, 134152, 150445, 167690, 240712, 300890, 335380, 601780, 670760, 1203560, 1233649, 2467298, 4934596, 6168245, 9869192, 12306401, 12336490, 24612802, 24672980, 49225604, 49345960, 61532005, 98451208, 123064010, 246128020, 492256040, 504562441, 1009124882, 2018249764, 2522812205, 4036499528, 5045624410, 10091248820, 20182497640]

約数ペア:

[(1, 20182497640), (2, 10091248820), (4, 5045624410), (5, 4036499528), (8, 2522812205), (10, 2018249764), (20, 1009124882), (40, 504562441), (41, 492256040), (82, 246128020), (164, 123064010), (205, 98451208), (328, 61532005), (409, 49345960), (410, 49225604), (818, 24672980), (820, 24612802), (1636, 12336490), (1640, 12306401), (2045, 9869192), (3272, 6168245), (4090, 4934596), (8180, 2467298), (16360, 1233649), (16769, 1203560), (30089, 670760), (33538, 601780), (60178, 335380), (67076, 300890), (83845, 240712), (120356, 167690), (134152, 150445)]