20436747

素因数分解:

$3^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1627}}^1$

素因数の和:1762

約数の個数: 16

約数和(自身を含む): 28131840

約数和(自身を除く): 7695093

約数列:

[1, 3, 53, 79, 159, 237, 1627, 4187, 4881, 12561, 86231, 128533, 258693, 385599, 6812249, 20436747]

約数ペア:

[(1, 20436747), (3, 6812249), (53, 385599), (79, 258693), (159, 128533), (237, 86231), (1627, 12561), (4187, 4881)]