2020425960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2405269}}^1$

素因数の和:2405290

約数の個数: 64

約数和(自身を含む): 6927177600

約数和(自身を除く): 4906751640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2405269, 4810538, 7215807, 9621076, 12026345, 14431614, 16836883, 19242152, 24052690, 28863228, 33673766, 36079035, 48105380, 50510649, 57726456, 67347532, 72158070, 84184415, 96210760, 101021298, 134695064, 144316140, 168368830, 202042596, 252553245, 288632280, 336737660, 404085192, 505106490, 673475320, 1010212980, 2020425960]

約数ペア:

[(1, 2020425960), (2, 1010212980), (3, 673475320), (4, 505106490), (5, 404085192), (6, 336737660), (7, 288632280), (8, 252553245), (10, 202042596), (12, 168368830), (14, 144316140), (15, 134695064), (20, 101021298), (21, 96210760), (24, 84184415), (28, 72158070), (30, 67347532), (35, 57726456), (40, 50510649), (42, 48105380), (56, 36079035), (60, 33673766), (70, 28863228), (84, 24052690), (105, 19242152), (120, 16836883), (140, 14431614), (168, 12026345), (210, 9621076), (280, 7215807), (420, 4810538), (840, 2405269)]