20784416

素因数分解:

$2^5\times {\mathrm{29}}^1\times {\mathrm{22397}}^1$

素因数の和:22436

約数の個数: 24

約数和(自身を含む): 42332220

約数和(自身を除く): 21547804

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 116, 232, 464, 928, 22397, 44794, 89588, 179176, 358352, 649513, 716704, 1299026, 2598052, 5196104, 10392208, 20784416]

約数ペア:

[(1, 20784416), (2, 10392208), (4, 5196104), (8, 2598052), (16, 1299026), (29, 716704), (32, 649513), (58, 358352), (116, 179176), (232, 89588), (464, 44794), (928, 22397)]