1620162020

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1025419}}^1$

素因数の和:1025507

約数の個数: 24

約数和(自身を含む): 3445411200

約数和(自身を除く): 1825249180

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1025419, 2050838, 4101676, 5127095, 10254190, 20508380, 81008101, 162016202, 324032404, 405040505, 810081010, 1620162020]

約数ペア:

[(1, 1620162020), (2, 810081010), (4, 405040505), (5, 324032404), (10, 162016202), (20, 81008101), (79, 20508380), (158, 10254190), (316, 5127095), (395, 4101676), (790, 2050838), (1580, 1025419)]