20072440

素因数分解:

$2^3\times 5^1\times {\mathrm{317}}^1\times {\mathrm{1583}}^1$

素因数の和:1911

約数の個数: 32

約数和(自身を含む): 45334080

約数和(自身を除く): 25261640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 317, 634, 1268, 1583, 1585, 2536, 3166, 3170, 6332, 6340, 7915, 12664, 12680, 15830, 31660, 63320, 501811, 1003622, 2007244, 2509055, 4014488, 5018110, 10036220, 20072440]

約数ペア:

[(1, 20072440), (2, 10036220), (4, 5018110), (5, 4014488), (8, 2509055), (10, 2007244), (20, 1003622), (40, 501811), (317, 63320), (634, 31660), (1268, 15830), (1583, 12680), (1585, 12664), (2536, 7915), (3166, 6340), (3170, 6332)]