20120278

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1\times {\mathrm{881}}^1$

素因数の和:1503

約数の個数: 16

約数和(自身を含む): 31857840

約数和(自身を除く): 11737562

約数列:

[1, 2, 19, 38, 601, 881, 1202, 1762, 11419, 16739, 22838, 33478, 529481, 1058962, 10060139, 20120278]

約数ペア:

[(1, 20120278), (2, 10060139), (19, 1058962), (38, 529481), (601, 33478), (881, 22838), (1202, 16739), (1762, 11419)]