201720140

素因数分解:

$2^2\times 5^1\times {\mathrm{2063}}^1\times {\mathrm{4889}}^1$

素因数の和:6961

約数の個数: 24

約数和(自身を含む): 423904320

約数和(自身を除く): 222184180

約数列:

[1, 2, 4, 5, 10, 20, 2063, 4126, 4889, 8252, 9778, 10315, 19556, 20630, 24445, 41260, 48890, 97780, 10086007, 20172014, 40344028, 50430035, 100860070, 201720140]

約数ペア:

[(1, 201720140), (2, 100860070), (4, 50430035), (5, 40344028), (10, 20172014), (20, 10086007), (2063, 97780), (4126, 48890), (4889, 41260), (8252, 24445), (9778, 20630), (10315, 19556)]