20474845

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:780

約数の個数: 16

約数和(自身を含む): 25302528

約数和(自身を除く): 4827683

約数列:

[1, 5, 47, 151, 235, 577, 755, 2885, 7097, 27119, 35485, 87127, 135595, 435635, 4094969, 20474845]

約数ペア:

[(1, 20474845), (5, 4094969), (47, 435635), (151, 135595), (235, 87127), (577, 35485), (755, 27119), (2885, 7097)]