20005331

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{337}}^1$

素因数の和:478

約数の個数: 16

約数和(自身を含む): 21902400

約数和(自身を除く): 1897069

約数列:

[1, 23, 29, 89, 337, 667, 2047, 2581, 7751, 9773, 29993, 59363, 224779, 689839, 869797, 20005331]

約数ペア:

[(1, 20005331), (23, 869797), (29, 689839), (89, 224779), (337, 59363), (667, 29993), (2047, 9773), (2581, 7751)]