16669420

素因数分解:

$2^2\times 5^1\times {\mathrm{503}}^1\times {\mathrm{1657}}^1$

素因数の和:2169

約数の個数: 24

約数和(自身を含む): 35096544

約数和(自身を除く): 18427124

約数列:

[1, 2, 4, 5, 10, 20, 503, 1006, 1657, 2012, 2515, 3314, 5030, 6628, 8285, 10060, 16570, 33140, 833471, 1666942, 3333884, 4167355, 8334710, 16669420]

約数ペア:

[(1, 16669420), (2, 8334710), (4, 4167355), (5, 3333884), (10, 1666942), (20, 833471), (503, 33140), (1006, 16570), (1657, 10060), (2012, 8285), (2515, 6628), (3314, 5030)]