20807130968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1249}}^1\times {\mathrm{160183}}^1$

素因数の和:161451

約数の個数: 32

約数和(自身を含む): 42048300000

約数和(自身を除く): 21241169032

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1249, 2498, 4996, 9992, 16237, 32474, 64948, 129896, 160183, 320366, 640732, 1281464, 2082379, 4164758, 8329516, 16659032, 200068567, 400137134, 800274268, 1600548536, 2600891371, 5201782742, 10403565484, 20807130968]

約数ペア:

[(1, 20807130968), (2, 10403565484), (4, 5201782742), (8, 2600891371), (13, 1600548536), (26, 800274268), (52, 400137134), (104, 200068567), (1249, 16659032), (2498, 8329516), (4996, 4164758), (9992, 2082379), (16237, 1281464), (32474, 640732), (64948, 320366), (129896, 160183)]