16171820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{115513}}^1$

素因数の和:115529

約数の個数: 24

約数和(自身を含む): 38812704

約数和(自身を除く): 22640884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 115513, 231026, 462052, 577565, 808591, 1155130, 1617182, 2310260, 3234364, 4042955, 8085910, 16171820]

約数ペア:

[(1, 16171820), (2, 8085910), (4, 4042955), (5, 3234364), (7, 2310260), (10, 1617182), (14, 1155130), (20, 808591), (28, 577565), (35, 462052), (70, 231026), (140, 115513)]