20525800

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{6037}}^1$

素因数の和:6070

約数の個数: 48

約数和(自身を含む): 50538060

約数和(自身を除く): 30012260

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 136, 170, 200, 340, 425, 680, 850, 1700, 3400, 6037, 12074, 24148, 30185, 48296, 60370, 102629, 120740, 150925, 205258, 241480, 301850, 410516, 513145, 603700, 821032, 1026290, 1207400, 2052580, 2565725, 4105160, 5131450, 10262900, 20525800]

約数ペア:

[(1, 20525800), (2, 10262900), (4, 5131450), (5, 4105160), (8, 2565725), (10, 2052580), (17, 1207400), (20, 1026290), (25, 821032), (34, 603700), (40, 513145), (50, 410516), (68, 301850), (85, 241480), (100, 205258), (136, 150925), (170, 120740), (200, 102629), (340, 60370), (425, 48296), (680, 30185), (850, 24148), (1700, 12074), (3400, 6037)]