20551430169

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{2357}}^1\times {\mathrm{56989}}^1$

素因数の和:59369

約数の個数: 24

約数和(自身を含む): 31445486280

約数和(自身を除く): 10894056111

約数列:

[1, 3, 9, 17, 51, 153, 2357, 7071, 21213, 40069, 56989, 120207, 170967, 360621, 512901, 968813, 2906439, 8719317, 134323073, 402969219, 1208907657, 2283492241, 6850476723, 20551430169]

約数ペア:

[(1, 20551430169), (3, 6850476723), (9, 2283492241), (17, 1208907657), (51, 402969219), (153, 134323073), (2357, 8719317), (7071, 2906439), (21213, 968813), (40069, 512901), (56989, 360621), (120207, 170967)]