121662020

素因数分解:

$2^2\times 5^1\times {\mathrm{1553}}^1\times {\mathrm{3917}}^1$

素因数の和:5479

約数の個数: 24

約数和(自身を含む): 255720024

約数和(自身を除く): 134058004

約数列:

[1, 2, 4, 5, 10, 20, 1553, 3106, 3917, 6212, 7765, 7834, 15530, 15668, 19585, 31060, 39170, 78340, 6083101, 12166202, 24332404, 30415505, 60831010, 121662020]

約数ペア:

[(1, 121662020), (2, 60831010), (4, 30415505), (5, 24332404), (10, 12166202), (20, 6083101), (1553, 78340), (3106, 39170), (3917, 31060), (6212, 19585), (7765, 15668), (7834, 15530)]