20907536

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{100517}}^1$

素因数の和:100538

約数の個数: 20

約数和(自身を含む): 43624812

約数和(自身を除く): 22717276

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 100517, 201034, 402068, 804136, 1306721, 1608272, 2613442, 5226884, 10453768, 20907536]

約数ペア:

[(1, 20907536), (2, 10453768), (4, 5226884), (8, 2613442), (13, 1608272), (16, 1306721), (26, 804136), (52, 402068), (104, 201034), (208, 100517)]