20108957105

素因数分解:

$5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{4271}}^1$

素因数の和:4601

約数の個数: 32

約数和(自身を含む): 24969669120

約数和(自身を除く): 4860712015

約数列:

[1, 5, 53, 109, 163, 265, 545, 815, 4271, 5777, 8639, 17767, 21355, 28885, 43195, 88835, 226363, 465539, 696173, 941651, 1131815, 2327695, 3480865, 4708255, 24673567, 36897169, 75882857, 123367835, 184485845, 379414285, 4021791421, 20108957105]

約数ペア:

[(1, 20108957105), (5, 4021791421), (53, 379414285), (109, 184485845), (163, 123367835), (265, 75882857), (545, 36897169), (815, 24673567), (4271, 4708255), (5777, 3480865), (8639, 2327695), (17767, 1131815), (21355, 941651), (28885, 696173), (43195, 465539), (88835, 226363)]