20196990989

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31307}}^1\times {\mathrm{4007}}^1$

素因数の和:35344

約数の個数: 16

約数和(自身を含む): 24092633088

約数和(自身を除く): 3895642099

約数列:

[1, 7, 23, 161, 4007, 28049, 31307, 92161, 219149, 645127, 720061, 5040427, 125447149, 878130043, 2885284427, 20196990989]

約数ペア:

[(1, 20196990989), (7, 2885284427), (23, 878130043), (161, 125447149), (4007, 5040427), (28049, 720061), (31307, 645127), (92161, 219149)]