20519752

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{251}}^1\times {\mathrm{929}}^1$

素因数の和:1197

約数の個数: 32

約数和(自身を含む): 42184800

約数和(自身を除く): 21665048

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 251, 502, 929, 1004, 1858, 2008, 2761, 3716, 5522, 7432, 10219, 11044, 20438, 22088, 40876, 81752, 233179, 466358, 932716, 1865432, 2564969, 5129938, 10259876, 20519752]

約数ペア:

[(1, 20519752), (2, 10259876), (4, 5129938), (8, 2564969), (11, 1865432), (22, 932716), (44, 466358), (88, 233179), (251, 81752), (502, 40876), (929, 22088), (1004, 20438), (1858, 11044), (2008, 10219), (2761, 7432), (3716, 5522)]