20877417

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{929}}^1$

素因数の和:1173

約数の個数: 24

約数和(自身を含む): 33078240

約数和(自身を除く): 12200823

約数列:

[1, 3, 9, 11, 33, 99, 227, 681, 929, 2043, 2497, 2787, 7491, 8361, 10219, 22473, 30657, 91971, 210883, 632649, 1897947, 2319713, 6959139, 20877417]

約数ペア:

[(1, 20877417), (3, 6959139), (9, 2319713), (11, 1897947), (33, 632649), (99, 210883), (227, 91971), (681, 30657), (929, 22473), (2043, 10219), (2497, 8361), (2787, 7491)]