154962020

素因数分解:

$2^2\times 5^1\times {\mathrm{2089}}^1\times {\mathrm{3709}}^1$

素因数の和:5807

約数の個数: 24

約数和(自身を含む): 325663800

約数和(自身を除く): 170701780

約数列:

[1, 2, 4, 5, 10, 20, 2089, 3709, 4178, 7418, 8356, 10445, 14836, 18545, 20890, 37090, 41780, 74180, 7748101, 15496202, 30992404, 38740505, 77481010, 154962020]

約数ペア:

[(1, 154962020), (2, 77481010), (4, 38740505), (5, 30992404), (10, 15496202), (20, 7748101), (2089, 74180), (3709, 41780), (4178, 37090), (7418, 20890), (8356, 18545), (10445, 14836)]