20169166208

素因数分解:

$2^7\times {\mathrm{163}}^1\times {\mathrm{449}}^1\times {\mathrm{2153}}^1$

素因数の和:2779

約数の個数: 64

約数和(自身を含む): 40536126000

約数和(自身を除く): 20366959792

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 163, 326, 449, 652, 898, 1304, 1796, 2153, 2608, 3592, 4306, 5216, 7184, 8612, 10432, 14368, 17224, 20864, 28736, 34448, 57472, 68896, 73187, 137792, 146374, 275584, 292748, 350939, 585496, 701878, 966697, 1170992, 1403756, 1933394, 2341984, 2807512, 3866788, 4683968, 5615024, 7733576, 9367936, 11230048, 15467152, 22460096, 30934304, 44920192, 61868608, 123737216, 157571611, 315143222, 630286444, 1260572888, 2521145776, 5042291552, 10084583104, 20169166208]

約数ペア:

[(1, 20169166208), (2, 10084583104), (4, 5042291552), (8, 2521145776), (16, 1260572888), (32, 630286444), (64, 315143222), (128, 157571611), (163, 123737216), (326, 61868608), (449, 44920192), (652, 30934304), (898, 22460096), (1304, 15467152), (1796, 11230048), (2153, 9367936), (2608, 7733576), (3592, 5615024), (4306, 4683968), (5216, 3866788), (7184, 2807512), (8612, 2341984), (10432, 1933394), (14368, 1403756), (17224, 1170992), (20864, 966697), (28736, 701878), (34448, 585496), (57472, 350939), (68896, 292748), (73187, 275584), (137792, 146374)]