20332510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 43110144

約数和(自身を除く): 22777634

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 83, 85, 110, 131, 166, 170, 187, 262, 374, 415, 655, 830, 913, 935, 1310, 1411, 1441, 1826, 1870, 2227, 2822, 2882, 4454, 4565, 7055, 7205, 9130, 10873, 11135, 14110, 14410, 15521, 21746, 22270, 24497, 31042, 48994, 54365, 77605, 108730, 119603, 122485, 155210, 184841, 239206, 244970, 369682, 598015, 924205, 1196030, 1848410, 2033251, 4066502, 10166255, 20332510]

約数ペア:

[(1, 20332510), (2, 10166255), (5, 4066502), (10, 2033251), (11, 1848410), (17, 1196030), (22, 924205), (34, 598015), (55, 369682), (83, 244970), (85, 239206), (110, 184841), (131, 155210), (166, 122485), (170, 119603), (187, 108730), (262, 77605), (374, 54365), (415, 48994), (655, 31042), (830, 24497), (913, 22270), (935, 21746), (1310, 15521), (1411, 14410), (1441, 14110), (1826, 11135), (1870, 10873), (2227, 9130), (2822, 7205), (2882, 7055), (4454, 4565)]