20737008

素因数分解:

$2^4\times 3^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:271

約数の個数: 120

約数和(自身を含む): 63196848

約数和(自身を除く): 42459840

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 17, 18, 24, 34, 36, 43, 48, 51, 68, 72, 86, 102, 129, 136, 144, 153, 172, 197, 204, 258, 272, 306, 344, 387, 394, 408, 516, 591, 612, 688, 731, 774, 788, 816, 1032, 1182, 1224, 1462, 1548, 1576, 1773, 2064, 2193, 2364, 2448, 2924, 3096, 3152, 3349, 3546, 4386, 4728, 5848, 6192, 6579, 6698, 7092, 8471, 8772, 9456, 10047, 11696, 13158, 13396, 14184, 16942, 17544, 20094, 25413, 26316, 26792, 28368, 30141, 33884, 35088, 40188, 50826, 52632, 53584, 60282, 67768, 76239, 80376, 101652, 105264, 120564, 135536, 144007, 152478, 160752, 203304, 241128, 288014, 304956, 406608, 432021, 482256, 576028, 609912, 864042, 1152056, 1219824, 1296063, 1728084, 2304112, 2592126, 3456168, 5184252, 6912336, 10368504, 20737008]

約数ペア:

[(1, 20737008), (2, 10368504), (3, 6912336), (4, 5184252), (6, 3456168), (8, 2592126), (9, 2304112), (12, 1728084), (16, 1296063), (17, 1219824), (18, 1152056), (24, 864042), (34, 609912), (36, 576028), (43, 482256), (48, 432021), (51, 406608), (68, 304956), (72, 288014), (86, 241128), (102, 203304), (129, 160752), (136, 152478), (144, 144007), (153, 135536), (172, 120564), (197, 105264), (204, 101652), (258, 80376), (272, 76239), (306, 67768), (344, 60282), (387, 53584), (394, 52632), (408, 50826), (516, 40188), (591, 35088), (612, 33884), (688, 30141), (731, 28368), (774, 26792), (788, 26316), (816, 25413), (1032, 20094), (1182, 17544), (1224, 16942), (1462, 14184), (1548, 13396), (1576, 13158), (1773, 11696), (2064, 10047), (2193, 9456), (2364, 8772), (2448, 8471), (2924, 7092), (3096, 6698), (3152, 6579), (3349, 6192), (3546, 5848), (4386, 4728)]