20185540209

素因数分解:

$3^2\times {\mathrm{23}}^2\times {\mathrm{41}}^1\times {\mathrm{103409}}^1$

素因数の和:103502

約数の個数: 36

約数和(自身を含む): 31223408580

約数和(自身を除く): 11037868371

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 529, 943, 1587, 2829, 4761, 8487, 21689, 65067, 103409, 195201, 310227, 930681, 2378407, 4239769, 7135221, 12719307, 21405663, 38157921, 54703361, 97514687, 164110083, 292544061, 492330249, 877632183, 2242837801, 6728513403, 20185540209]

約数ペア:

[(1, 20185540209), (3, 6728513403), (9, 2242837801), (23, 877632183), (41, 492330249), (69, 292544061), (123, 164110083), (207, 97514687), (369, 54703361), (529, 38157921), (943, 21405663), (1587, 12719307), (2829, 7135221), (4761, 4239769), (8487, 2378407), (21689, 930681), (65067, 310227), (103409, 195201)]