20892888

素因数分解:

$2^3\times 3^2\times {\mathrm{439}}^1\times {\mathrm{661}}^1$

素因数の和:1112

約数の個数: 48

約数和(自身を含む): 56799600

約数和(自身を除く): 35906712

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 439, 661, 878, 1317, 1322, 1756, 1983, 2634, 2644, 3512, 3951, 3966, 5268, 5288, 5949, 7902, 7932, 10536, 11898, 15804, 15864, 23796, 31608, 47592, 290179, 580358, 870537, 1160716, 1741074, 2321432, 2611611, 3482148, 5223222, 6964296, 10446444, 20892888]

約数ペア:

[(1, 20892888), (2, 10446444), (3, 6964296), (4, 5223222), (6, 3482148), (8, 2611611), (9, 2321432), (12, 1741074), (18, 1160716), (24, 870537), (36, 580358), (72, 290179), (439, 47592), (661, 31608), (878, 23796), (1317, 15864), (1322, 15804), (1756, 11898), (1983, 10536), (2634, 7932), (2644, 7902), (3512, 5949), (3951, 5288), (3966, 5268)]