20925434

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 32

約数和(自身を含む): 34062336

約数和(自身を除く): 13136902

約数列:

[1, 2, 31, 43, 47, 62, 86, 94, 167, 334, 1333, 1457, 2021, 2666, 2914, 4042, 5177, 7181, 7849, 10354, 14362, 15698, 62651, 125302, 222611, 243319, 337507, 445222, 486638, 675014, 10462717, 20925434]

約数ペア:

[(1, 20925434), (2, 10462717), (31, 675014), (43, 486638), (47, 445222), (62, 337507), (86, 243319), (94, 222611), (167, 125302), (334, 62651), (1333, 15698), (1457, 14362), (2021, 10354), (2666, 7849), (2914, 7181), (4042, 5177)]