20130199420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{52974209}}^1$

素因数の和:52974237

約数の個数: 24

約数和(自身を含む): 44498336400

約数和(自身を除く): 24368136980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 52974209, 105948418, 211896836, 264871045, 529742090, 1006509971, 1059484180, 2013019942, 4026039884, 5032549855, 10065099710, 20130199420]

約数ペア:

[(1, 20130199420), (2, 10065099710), (4, 5032549855), (5, 4026039884), (10, 2013019942), (19, 1059484180), (20, 1006509971), (38, 529742090), (76, 264871045), (95, 211896836), (190, 105948418), (380, 52974209)]