20408509

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 23256576

約数和(自身を除く): 2848067

約数列:

[1, 11, 31, 97, 341, 617, 1067, 3007, 6787, 19127, 33077, 59849, 210397, 658339, 1855319, 20408509]

約数ペア:

[(1, 20408509), (11, 1855319), (31, 658339), (97, 210397), (341, 59849), (617, 33077), (1067, 19127), (3007, 6787)]