20915087901

素因数分解:

$3^1\times {\mathrm{751}}^1\times {\mathrm{1453}}^1\times {\mathrm{6389}}^1$

素因数の和:8596

約数の個数: 16

約数和(自身を含む): 27947508480

約数和(自身を除く): 7032420579

約数列:

[1, 3, 751, 1453, 2253, 4359, 6389, 19167, 1091203, 3273609, 4798139, 9283217, 14394417, 27849651, 6971695967, 20915087901]

約数ペア:

[(1, 20915087901), (3, 6971695967), (751, 27849651), (1453, 14394417), (2253, 9283217), (4359, 4798139), (6389, 3273609), (19167, 1091203)]