20173924675

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1\times {\mathrm{683}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 26197966080

約数和(自身を除く): 6024041405

約数列:

[1, 5, 25, 29, 131, 145, 311, 655, 683, 725, 1555, 3275, 3415, 3799, 7775, 9019, 17075, 18995, 19807, 40741, 45095, 89473, 94975, 99035, 203705, 212413, 225475, 447365, 495175, 1018525, 1062065, 1181489, 2236825, 2594717, 5310325, 5907445, 6159977, 12973585, 27826103, 29537225, 30799885, 64867925, 139130515, 153999425, 695652575, 806956987, 4034784935, 20173924675]

約数ペア:

[(1, 20173924675), (5, 4034784935), (25, 806956987), (29, 695652575), (131, 153999425), (145, 139130515), (311, 64867925), (655, 30799885), (683, 29537225), (725, 27826103), (1555, 12973585), (3275, 6159977), (3415, 5907445), (3799, 5310325), (7775, 2594717), (9019, 2236825), (17075, 1181489), (18995, 1062065), (19807, 1018525), (40741, 495175), (45095, 447365), (89473, 225475), (94975, 212413), (99035, 203705)]