20172814972

素因数分解:

$2^2\times {\mathrm{197}}^1\times {\mathrm{1277}}^1\times {\mathrm{20047}}^1$

素因数の和:21525

約数の個数: 24

約数和(自身を含む): 35511182784

約数和(自身を除く): 15338367812

約数列:

[1, 2, 4, 197, 394, 788, 1277, 2554, 5108, 20047, 40094, 80188, 251569, 503138, 1006276, 3949259, 7898518, 15797036, 25600019, 51200038, 102400076, 5043203743, 10086407486, 20172814972]

約数ペア:

[(1, 20172814972), (2, 10086407486), (4, 5043203743), (197, 102400076), (394, 51200038), (788, 25600019), (1277, 15797036), (2554, 7898518), (5108, 3949259), (20047, 1006276), (40094, 503138), (80188, 251569)]