20120855463

素因数分解:

$3^4\times {\mathrm{191}}^1\times {\mathrm{1300553}}^1$

素因数の和:1300756

約数の個数: 20

約数和(自身を含む): 30214470528

約数和(自身を除く): 10093615065

約数列:

[1, 3, 9, 27, 81, 191, 573, 1719, 5157, 15471, 1300553, 3901659, 11704977, 35114931, 105344793, 248405623, 745216869, 2235650607, 6706951821, 20120855463]

約数ペア:

[(1, 20120855463), (3, 6706951821), (9, 2235650607), (27, 745216869), (81, 248405623), (191, 105344793), (573, 35114931), (1719, 11704977), (5157, 3901659), (15471, 1300553)]