20030213

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1364

約数の個数: 16

約数和(自身を含む): 24000000

約数和(自身を除く): 3969787

約数列:

[1, 7, 29, 79, 203, 553, 1249, 2291, 8743, 16037, 36221, 98671, 253547, 690697, 2861459, 20030213]

約数ペア:

[(1, 20030213), (7, 2861459), (29, 690697), (79, 253547), (203, 98671), (553, 36221), (1249, 16037), (2291, 8743)]