20139776

素因数分解:

$2^8\times {\mathrm{151}}^1\times {\mathrm{521}}^1$

素因数の和:688

約数の個数: 36

約数和(自身を含む): 40544784

約数和(自身を除く): 20405008

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 151, 256, 302, 521, 604, 1042, 1208, 2084, 2416, 4168, 4832, 8336, 9664, 16672, 19328, 33344, 38656, 66688, 78671, 133376, 157342, 314684, 629368, 1258736, 2517472, 5034944, 10069888, 20139776]

約数ペア:

[(1, 20139776), (2, 10069888), (4, 5034944), (8, 2517472), (16, 1258736), (32, 629368), (64, 314684), (128, 157342), (151, 133376), (256, 78671), (302, 66688), (521, 38656), (604, 33344), (1042, 19328), (1208, 16672), (2084, 9664), (2416, 8336), (4168, 4832)]