16638920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{24469}}^1$

素因数の和:24497

約数の個数: 32

約数和(自身を含む): 39641400

約数和(自身を除く): 23002480

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 24469, 48938, 97876, 122345, 195752, 244690, 415973, 489380, 831946, 978760, 1663892, 2079865, 3327784, 4159730, 8319460, 16638920]

約数ペア:

[(1, 16638920), (2, 8319460), (4, 4159730), (5, 3327784), (8, 2079865), (10, 1663892), (17, 978760), (20, 831946), (34, 489380), (40, 415973), (68, 244690), (85, 195752), (136, 122345), (170, 97876), (340, 48938), (680, 24469)]