20865142763

素因数分解:

${\mathrm{17}}^1\times {\mathrm{479}}^1\times {\mathrm{821}}^1\times {\mathrm{3121}}^1$

素因数の和:4438

約数の個数: 16

約数和(自身を含む): 22172693760

約数和(自身を除く): 1307550997

約数列:

[1, 17, 479, 821, 3121, 8143, 13957, 53057, 393259, 1494959, 2562341, 6685403, 25414303, 43559797, 1227361339, 20865142763]

約数ペア:

[(1, 20865142763), (17, 1227361339), (479, 43559797), (821, 25414303), (3121, 6685403), (8143, 2562341), (13957, 1494959), (53057, 393259)]