13209220

素因数分解:

$2^2\times 5^1\times {\mathrm{683}}^1\times {\mathrm{967}}^1$

素因数の和:1659

約数の個数: 24

約数和(自身を含む): 27808704

約数和(自身を除く): 14599484

約数列:

[1, 2, 4, 5, 10, 20, 683, 967, 1366, 1934, 2732, 3415, 3868, 4835, 6830, 9670, 13660, 19340, 660461, 1320922, 2641844, 3302305, 6604610, 13209220]

約数ペア:

[(1, 13209220), (2, 6604610), (4, 3302305), (5, 2641844), (10, 1320922), (20, 660461), (683, 19340), (967, 13660), (1366, 9670), (1934, 6830), (2732, 4835), (3415, 3868)]