20143120

素因数分解:

$2^4\times 5^1\times {\mathrm{251789}}^1$

素因数の和:251802

約数の個数: 20

約数和(自身を含む): 46832940

約数和(自身を除く): 26689820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 251789, 503578, 1007156, 1258945, 2014312, 2517890, 4028624, 5035780, 10071560, 20143120]

約数ペア:

[(1, 20143120), (2, 10071560), (4, 5035780), (5, 4028624), (8, 2517890), (10, 2014312), (16, 1258945), (20, 1007156), (40, 503578), (80, 251789)]