20193558520

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11740441}}^1$

素因数の和:11740495

約数の個数: 32

約数和(自身を含む): 46492150320

約数和(自身を除く): 26298591800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 11740441, 23480882, 46961764, 58702205, 93923528, 117404410, 234808820, 469617640, 504838963, 1009677926, 2019355852, 2524194815, 4038711704, 5048389630, 10096779260, 20193558520]

約数ペア:

[(1, 20193558520), (2, 10096779260), (4, 5048389630), (5, 4038711704), (8, 2524194815), (10, 2019355852), (20, 1009677926), (40, 504838963), (43, 469617640), (86, 234808820), (172, 117404410), (215, 93923528), (344, 58702205), (430, 46961764), (860, 23480882), (1720, 11740441)]