20723528

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19477}}^1$

素因数の和:19509

約数の個数: 32

約数和(自身を含む): 46747200

約数和(自身を除く): 26023672

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 19477, 38954, 77908, 136339, 155816, 272678, 370063, 545356, 740126, 1090712, 1480252, 2590441, 2960504, 5180882, 10361764, 20723528]

約数ペア:

[(1, 20723528), (2, 10361764), (4, 5180882), (7, 2960504), (8, 2590441), (14, 1480252), (19, 1090712), (28, 740126), (38, 545356), (56, 370063), (76, 272678), (133, 155816), (152, 136339), (266, 77908), (532, 38954), (1064, 19477)]