20147490968

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{521}}^1\times {\mathrm{439441}}^1$

素因数の和:439979

約数の個数: 32

約数和(自身を含む): 41289970320

約数和(自身を除く): 21142479352

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 521, 1042, 2084, 4168, 5731, 11462, 22924, 45848, 439441, 878882, 1757764, 3515528, 4833851, 9667702, 19335404, 38670808, 228948761, 457897522, 915795044, 1831590088, 2518436371, 5036872742, 10073745484, 20147490968]

約数ペア:

[(1, 20147490968), (2, 10073745484), (4, 5036872742), (8, 2518436371), (11, 1831590088), (22, 915795044), (44, 457897522), (88, 228948761), (521, 38670808), (1042, 19335404), (2084, 9667702), (4168, 4833851), (5731, 3515528), (11462, 1757764), (22924, 878882), (45848, 439441)]