20877747

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14713}}^1$

素因数の和:14770

約数の個数: 16

約数和(自身を含む): 31075968

約数和(自身を除く): 10198221

約数列:

[1, 3, 11, 33, 43, 129, 473, 1419, 14713, 44139, 161843, 485529, 632659, 1897977, 6959249, 20877747]

約数ペア:

[(1, 20877747), (3, 6959249), (11, 1897977), (33, 632659), (43, 485529), (129, 161843), (473, 44139), (1419, 14713)]