20006973

素因数分解:

$3^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{2861}}^1$

素因数の和:2914

約数の個数: 32

約数和(自身を含む): 34801920

約数和(自身を除く): 14794947

約数列:

[1, 3, 7, 9, 21, 27, 37, 63, 111, 189, 259, 333, 777, 999, 2331, 2861, 6993, 8583, 20027, 25749, 60081, 77247, 105857, 180243, 317571, 540729, 740999, 952713, 2222997, 2858139, 6668991, 20006973]

約数ペア:

[(1, 20006973), (3, 6668991), (7, 2858139), (9, 2222997), (21, 952713), (27, 740999), (37, 540729), (63, 317571), (111, 180243), (189, 105857), (259, 77247), (333, 60081), (777, 25749), (999, 20027), (2331, 8583), (2861, 6993)]