16301980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47947}}^1$

素因数の和:47973

約数の個数: 24

約数和(自身を含む): 36248688

約数和(自身を除く): 19946708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 47947, 95894, 191788, 239735, 479470, 815099, 958940, 1630198, 3260396, 4075495, 8150990, 16301980]

約数ペア:

[(1, 16301980), (2, 8150990), (4, 4075495), (5, 3260396), (10, 1630198), (17, 958940), (20, 815099), (34, 479470), (68, 239735), (85, 191788), (170, 95894), (340, 47947)]