20808568

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{236461}}^1$

素因数の和:236478

約数の個数: 16

約数和(自身を含む): 42563160

約数和(自身を除く): 21754592

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 236461, 472922, 945844, 1891688, 2601071, 5202142, 10404284, 20808568]

約数ペア:

[(1, 20808568), (2, 10404284), (4, 5202142), (8, 2601071), (11, 1891688), (22, 945844), (44, 472922), (88, 236461)]