20956741

素因数分解:

${\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:468

約数の個数: 16

約数和(自身を含む): 23284800

約数和(自身を除く): 2328059

約数列:

[1, 13, 59, 89, 307, 767, 1157, 3991, 5251, 18113, 27323, 68263, 235469, 355199, 1612057, 20956741]

約数ペア:

[(1, 20956741), (13, 1612057), (59, 355199), (89, 235469), (307, 68263), (767, 27323), (1157, 18113), (3991, 5251)]