20120355847

素因数分解:

${\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{1553}}^1\times {\mathrm{2309}}^1$

素因数の和:4074

約数の個数: 16

約数和(自身を含む): 20906645760

約数和(自身を除く): 786289913

約数列:

[1, 31, 181, 1553, 2309, 5611, 48143, 71579, 281093, 417929, 3585877, 8713883, 12955799, 111162187, 649043737, 20120355847]

約数ペア:

[(1, 20120355847), (31, 649043737), (181, 111162187), (1553, 12955799), (2309, 8713883), (5611, 3585877), (48143, 417929), (71579, 281093)]