20198871

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29147}}^1$

素因数の和:29171

約数の個数: 24

約数和(自身を含む): 36376704

約数和(自身を除く): 16177833

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 29147, 87441, 204029, 262323, 320617, 612087, 961851, 1836261, 2244319, 2885553, 6732957, 20198871]

約数ペア:

[(1, 20198871), (3, 6732957), (7, 2885553), (9, 2244319), (11, 1836261), (21, 961851), (33, 612087), (63, 320617), (77, 262323), (99, 204029), (231, 87441), (693, 29147)]