20170971212

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{499}}^1\times {\mathrm{24469}}^1$

素因数の和:25038

約数の個数: 48

約数和(自身を含む): 41109600000

約数和(自身を除く): 20938628788

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 499, 826, 998, 1652, 1996, 3493, 6986, 13972, 24469, 29441, 48938, 58882, 97876, 117764, 171283, 206087, 342566, 412174, 685132, 824348, 1443671, 2887342, 5774684, 10105697, 12210031, 20211394, 24420062, 40422788, 48840124, 85470217, 170940434, 341880868, 720391829, 1440783658, 2881567316, 5042742803, 10085485606, 20170971212]

約数ペア:

[(1, 20170971212), (2, 10085485606), (4, 5042742803), (7, 2881567316), (14, 1440783658), (28, 720391829), (59, 341880868), (118, 170940434), (236, 85470217), (413, 48840124), (499, 40422788), (826, 24420062), (998, 20211394), (1652, 12210031), (1996, 10105697), (3493, 5774684), (6986, 2887342), (13972, 1443671), (24469, 824348), (29441, 685132), (48938, 412174), (58882, 342566), (97876, 206087), (117764, 171283)]