20543578

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{4889}}^1$

素因数の和:5093

約数の個数: 16

約数和(自身を含む): 33799680

約数和(自身を除く): 13256102

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 4889, 9778, 53779, 107558, 933799, 1867598, 10271789, 20543578]

約数ペア:

[(1, 20543578), (2, 10271789), (11, 1867598), (22, 933799), (191, 107558), (382, 53779), (2101, 9778), (4202, 4889)]