20194784

素因数分解:

$2^5\times {\mathrm{409}}^1\times {\mathrm{1543}}^1$

素因数の和:1962

約数の個数: 24

約数和(自身を含む): 39881520

約数和(自身を除く): 19686736

約数列:

[1, 2, 4, 8, 16, 32, 409, 818, 1543, 1636, 3086, 3272, 6172, 6544, 12344, 13088, 24688, 49376, 631087, 1262174, 2524348, 5048696, 10097392, 20194784]

約数ペア:

[(1, 20194784), (2, 10097392), (4, 5048696), (8, 2524348), (16, 1262174), (32, 631087), (409, 49376), (818, 24688), (1543, 13088), (1636, 12344), (3086, 6544), (3272, 6172)]