20488704

素因数分解:

$2^9\times 3^1\times {\mathrm{13339}}^1$

素因数の和:13360

約数の個数: 40

約数和(自身を含む): 54587280

約数和(自身を除く): 34098576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13339, 26678, 40017, 53356, 80034, 106712, 160068, 213424, 320136, 426848, 640272, 853696, 1280544, 1707392, 2561088, 3414784, 5122176, 6829568, 10244352, 20488704]

約数ペア:

[(1, 20488704), (2, 10244352), (3, 6829568), (4, 5122176), (6, 3414784), (8, 2561088), (12, 1707392), (16, 1280544), (24, 853696), (32, 640272), (48, 426848), (64, 320136), (96, 213424), (128, 160068), (192, 106712), (256, 80034), (384, 53356), (512, 40017), (768, 26678), (1536, 13339)]