20867216

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{42071}}^1$

素因数の和:42110

約数の個数: 20

約数和(自身を含む): 41735424

約数和(自身を除く): 20868208

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 42071, 84142, 168284, 336568, 673136, 1304201, 2608402, 5216804, 10433608, 20867216]

約数ペア:

[(1, 20867216), (2, 10433608), (4, 5216804), (8, 2608402), (16, 1304201), (31, 673136), (62, 336568), (124, 168284), (248, 84142), (496, 42071)]