20656514687571

素因数分解:

$3^2\times 7^1\times {\mathrm{4676201}}^1\times {\mathrm{70117}}^1$

素因数の和:4746331

約数の個数: 24

約数和(自身を含む): 34100136910944

約数和(自身を除く): 13443622223373

約数列:

[1, 3, 7, 9, 21, 63, 70117, 210351, 490819, 631053, 1472457, 4417371, 4676201, 14028603, 32733407, 42085809, 98200221, 294600663, 327881185517, 983643556551, 2295168298619, 2950930669653, 6885504895857, 20656514687571]

約数ペア:

[(1, 20656514687571), (3, 6885504895857), (7, 2950930669653), (9, 2295168298619), (21, 983643556551), (63, 327881185517), (70117, 294600663), (210351, 98200221), (490819, 42085809), (631053, 32733407), (1472457, 14028603), (4417371, 4676201)]