2020596520

素因数分解:

$2^3\times 5^1\times {\mathrm{1181}}^1\times {\mathrm{42773}}^1$

素因数の和:43965

約数の個数: 32

約数和(自身を含む): 4550298120

約数和(自身を除く): 2529701600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1181, 2362, 4724, 5905, 9448, 11810, 23620, 42773, 47240, 85546, 171092, 213865, 342184, 427730, 855460, 1710920, 50514913, 101029826, 202059652, 252574565, 404119304, 505149130, 1010298260, 2020596520]

約数ペア:

[(1, 2020596520), (2, 1010298260), (4, 505149130), (5, 404119304), (8, 252574565), (10, 202059652), (20, 101029826), (40, 50514913), (1181, 1710920), (2362, 855460), (4724, 427730), (5905, 342184), (9448, 213865), (11810, 171092), (23620, 85546), (42773, 47240)]