20177181633

素因数分解:

$3^1\times 7^2\times {\mathrm{3217}}^1\times {\mathrm{42667}}^1$

素因数の和:45901

約数の個数: 24

約数和(自身を含む): 31305682272

約数和(自身を除く): 11128500639

約数列:

[1, 3, 7, 21, 49, 147, 3217, 9651, 22519, 42667, 67557, 128001, 157633, 298669, 472899, 896007, 2090683, 6272049, 137259739, 411779217, 960818173, 2882454519, 6725727211, 20177181633]

約数ペア:

[(1, 20177181633), (3, 6725727211), (7, 2882454519), (21, 960818173), (49, 411779217), (147, 137259739), (3217, 6272049), (9651, 2090683), (22519, 896007), (42667, 472899), (67557, 298669), (128001, 157633)]