20809902030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{51539}}^1$

素因数の和:51905

約数の個数: 64

約数和(自身を含む): 51269518080

約数和(自身を除く): 30459616050

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 313, 430, 626, 645, 939, 1290, 1565, 1878, 3130, 4695, 9390, 13459, 26918, 40377, 51539, 67295, 80754, 103078, 134590, 154617, 201885, 257695, 309234, 403770, 515390, 773085, 1546170, 2216177, 4432354, 6648531, 11080885, 13297062, 16131707, 22161770, 32263414, 33242655, 48395121, 66485310, 80658535, 96790242, 161317070, 241975605, 483951210, 693663401, 1387326802, 2080990203, 3468317005, 4161980406, 6936634010, 10404951015, 20809902030]

約数ペア:

[(1, 20809902030), (2, 10404951015), (3, 6936634010), (5, 4161980406), (6, 3468317005), (10, 2080990203), (15, 1387326802), (30, 693663401), (43, 483951210), (86, 241975605), (129, 161317070), (215, 96790242), (258, 80658535), (313, 66485310), (430, 48395121), (626, 33242655), (645, 32263414), (939, 22161770), (1290, 16131707), (1565, 13297062), (1878, 11080885), (3130, 6648531), (4695, 4432354), (9390, 2216177), (13459, 1546170), (26918, 773085), (40377, 515390), (51539, 403770), (67295, 309234), (80754, 257695), (103078, 201885), (134590, 154617)]