20765008

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{929}}^1$

素因数の和:1075

約数の個数: 40

約数和(自身を含む): 44282880

約数和(自身を除く): 23517872

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 127, 176, 254, 508, 929, 1016, 1397, 1858, 2032, 2794, 3716, 5588, 7432, 10219, 11176, 14864, 20438, 22352, 40876, 81752, 117983, 163504, 235966, 471932, 943864, 1297813, 1887728, 2595626, 5191252, 10382504, 20765008]

約数ペア:

[(1, 20765008), (2, 10382504), (4, 5191252), (8, 2595626), (11, 1887728), (16, 1297813), (22, 943864), (44, 471932), (88, 235966), (127, 163504), (176, 117983), (254, 81752), (508, 40876), (929, 22352), (1016, 20438), (1397, 14864), (1858, 11176), (2032, 10219), (2794, 7432), (3716, 5588)]