20876660072

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{569}}^1\times {\mathrm{123953}}^1$

素因数の和:124565

約数の個数: 32

約数和(自身を含む): 40272654600

約数和(自身を除く): 19395994528

約数列:

[1, 2, 4, 8, 37, 74, 148, 296, 569, 1138, 2276, 4552, 21053, 42106, 84212, 123953, 168424, 247906, 495812, 991624, 4586261, 9172522, 18345044, 36690088, 70529257, 141058514, 282117028, 564234056, 2609582509, 5219165018, 10438330036, 20876660072]

約数ペア:

[(1, 20876660072), (2, 10438330036), (4, 5219165018), (8, 2609582509), (37, 564234056), (74, 282117028), (148, 141058514), (296, 70529257), (569, 36690088), (1138, 18345044), (2276, 9172522), (4552, 4586261), (21053, 991624), (42106, 495812), (84212, 247906), (123953, 168424)]