201723980

素因数分解:

$2^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{15259}}^1$

素因数の和:15929

約数の個数: 24

約数和(自身を含む): 424289040

約数和(自身を除く): 222565060

約数列:

[1, 2, 4, 5, 10, 20, 661, 1322, 2644, 3305, 6610, 13220, 15259, 30518, 61036, 76295, 152590, 305180, 10086199, 20172398, 40344796, 50430995, 100861990, 201723980]

約数ペア:

[(1, 201723980), (2, 100861990), (4, 50430995), (5, 40344796), (10, 20172398), (20, 10086199), (661, 305180), (1322, 152590), (2644, 76295), (3305, 61036), (6610, 30518), (13220, 15259)]