20172571660

素因数分解:

$2^2\times 5^1\times {\mathrm{21803}}^1\times {\mathrm{46261}}^1$

素因数の和:68073

約数の個数: 24

約数和(自身を含む): 42365259216

約数和(自身を除く): 22192687556

約数列:

[1, 2, 4, 5, 10, 20, 21803, 43606, 46261, 87212, 92522, 109015, 185044, 218030, 231305, 436060, 462610, 925220, 1008628583, 2017257166, 4034514332, 5043142915, 10086285830, 20172571660]

約数ペア:

[(1, 20172571660), (2, 10086285830), (4, 5043142915), (5, 4034514332), (10, 2017257166), (20, 1008628583), (21803, 925220), (43606, 462610), (46261, 436060), (87212, 231305), (92522, 218030), (109015, 185044)]