20170896620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{6581}}^1\times {\mathrm{21893}}^1$

素因数の和:28490

約数の個数: 48

約数和(自身を含む): 48419719488

約数和(自身を除く): 28248822868

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 6581, 13162, 21893, 26324, 32905, 43786, 46067, 65810, 87572, 92134, 109465, 131620, 153251, 184268, 218930, 230335, 306502, 437860, 460670, 613004, 766255, 921340, 1532510, 3065020, 144077833, 288155666, 576311332, 720389165, 1008544831, 1440778330, 2017089662, 2881556660, 4034179324, 5042724155, 10085448310, 20170896620]

約数ペア:

[(1, 20170896620), (2, 10085448310), (4, 5042724155), (5, 4034179324), (7, 2881556660), (10, 2017089662), (14, 1440778330), (20, 1008544831), (28, 720389165), (35, 576311332), (70, 288155666), (140, 144077833), (6581, 3065020), (13162, 1532510), (21893, 921340), (26324, 766255), (32905, 613004), (43786, 460670), (46067, 437860), (65810, 306502), (87572, 230335), (92134, 218930), (109465, 184268), (131620, 153251)]