20528473

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:576

約数の個数: 16

約数和(自身を含む): 24071040

約数和(自身を除く): 3542567

約数列:

[1, 7, 83, 89, 397, 581, 623, 2779, 7387, 32951, 35333, 51709, 230657, 247331, 2932639, 20528473]

約数ペア:

[(1, 20528473), (7, 2932639), (83, 247331), (89, 230657), (397, 51709), (581, 35333), (623, 32951), (2779, 7387)]