20806301672

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2985979}}^1$

素因数の和:2986065

約数の個数: 32

約数和(自身を含む): 42639794400

約数和(自身を除く): 21833492728

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 3484, 6968, 2985979, 5971958, 11943916, 23887832, 38817727, 77635454, 155270908, 200060593, 310541816, 400121186, 800242372, 1600484744, 2600787709, 5201575418, 10403150836, 20806301672]

約数ペア:

[(1, 20806301672), (2, 10403150836), (4, 5201575418), (8, 2600787709), (13, 1600484744), (26, 800242372), (52, 400121186), (67, 310541816), (104, 200060593), (134, 155270908), (268, 77635454), (536, 38817727), (871, 23887832), (1742, 11943916), (3484, 5971958), (6968, 2985979)]