20929216

素因数分解:

$2^6\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:198

約数の個数: 112

約数和(自身を含む): 53839872

約数和(自身を除く): 32910656

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 31, 32, 44, 56, 62, 64, 77, 88, 112, 124, 137, 154, 176, 217, 224, 248, 274, 308, 341, 352, 434, 448, 496, 548, 616, 682, 704, 868, 959, 992, 1096, 1232, 1364, 1507, 1736, 1918, 1984, 2192, 2387, 2464, 2728, 3014, 3472, 3836, 4247, 4384, 4774, 4928, 5456, 6028, 6944, 7672, 8494, 8768, 9548, 10549, 10912, 12056, 13888, 15344, 16988, 19096, 21098, 21824, 24112, 29729, 30688, 33976, 38192, 42196, 46717, 48224, 59458, 61376, 67952, 76384, 84392, 93434, 96448, 118916, 135904, 152768, 168784, 186868, 237832, 271808, 327019, 337568, 373736, 475664, 654038, 675136, 747472, 951328, 1308076, 1494944, 1902656, 2616152, 2989888, 5232304, 10464608, 20929216]

約数ペア:

[(1, 20929216), (2, 10464608), (4, 5232304), (7, 2989888), (8, 2616152), (11, 1902656), (14, 1494944), (16, 1308076), (22, 951328), (28, 747472), (31, 675136), (32, 654038), (44, 475664), (56, 373736), (62, 337568), (64, 327019), (77, 271808), (88, 237832), (112, 186868), (124, 168784), (137, 152768), (154, 135904), (176, 118916), (217, 96448), (224, 93434), (248, 84392), (274, 76384), (308, 67952), (341, 61376), (352, 59458), (434, 48224), (448, 46717), (496, 42196), (548, 38192), (616, 33976), (682, 30688), (704, 29729), (868, 24112), (959, 21824), (992, 21098), (1096, 19096), (1232, 16988), (1364, 15344), (1507, 13888), (1736, 12056), (1918, 10912), (1984, 10549), (2192, 9548), (2387, 8768), (2464, 8494), (2728, 7672), (3014, 6944), (3472, 6028), (3836, 5456), (4247, 4928), (4384, 4774)]