20388984

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1$

素因数の和:114

約数の個数: 192

約数和(自身を含む): 68947200

約数和(自身を除く): 48558216

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 17, 21, 22, 24, 28, 33, 34, 42, 44, 51, 56, 59, 66, 68, 77, 84, 88, 102, 118, 119, 121, 132, 136, 154, 168, 177, 187, 204, 231, 236, 238, 242, 264, 308, 354, 357, 363, 374, 408, 413, 462, 472, 476, 484, 561, 616, 649, 708, 714, 726, 748, 826, 847, 924, 952, 968, 1003, 1122, 1239, 1298, 1309, 1416, 1428, 1452, 1496, 1652, 1694, 1848, 1947, 2006, 2057, 2244, 2478, 2541, 2596, 2618, 2856, 2904, 3009, 3304, 3388, 3894, 3927, 4012, 4114, 4488, 4543, 4956, 5082, 5192, 5236, 6018, 6171, 6776, 7021, 7139, 7788, 7854, 8024, 8228, 9086, 9912, 10164, 10472, 11033, 12036, 12342, 13629, 14042, 14278, 14399, 15576, 15708, 16456, 18172, 20328, 21063, 21417, 22066, 24072, 24684, 27258, 28084, 28556, 28798, 31416, 33099, 36344, 42126, 42834, 43197, 44132, 49368, 49973, 54516, 56168, 57112, 57596, 66198, 77231, 84252, 85668, 86394, 88264, 99946, 109032, 115192, 121363, 132396, 149919, 154462, 168504, 171336, 172788, 199892, 231693, 242726, 264792, 299838, 308924, 345576, 364089, 399784, 463386, 485452, 599676, 617848, 728178, 849541, 926772, 970904, 1199352, 1456356, 1699082, 1853544, 2548623, 2912712, 3398164, 5097246, 6796328, 10194492, 20388984]

約数ペア:

[(1, 20388984), (2, 10194492), (3, 6796328), (4, 5097246), (6, 3398164), (7, 2912712), (8, 2548623), (11, 1853544), (12, 1699082), (14, 1456356), (17, 1199352), (21, 970904), (22, 926772), (24, 849541), (28, 728178), (33, 617848), (34, 599676), (42, 485452), (44, 463386), (51, 399784), (56, 364089), (59, 345576), (66, 308924), (68, 299838), (77, 264792), (84, 242726), (88, 231693), (102, 199892), (118, 172788), (119, 171336), (121, 168504), (132, 154462), (136, 149919), (154, 132396), (168, 121363), (177, 115192), (187, 109032), (204, 99946), (231, 88264), (236, 86394), (238, 85668), (242, 84252), (264, 77231), (308, 66198), (354, 57596), (357, 57112), (363, 56168), (374, 54516), (408, 49973), (413, 49368), (462, 44132), (472, 43197), (476, 42834), (484, 42126), (561, 36344), (616, 33099), (649, 31416), (708, 28798), (714, 28556), (726, 28084), (748, 27258), (826, 24684), (847, 24072), (924, 22066), (952, 21417), (968, 21063), (1003, 20328), (1122, 18172), (1239, 16456), (1298, 15708), (1309, 15576), (1416, 14399), (1428, 14278), (1452, 14042), (1496, 13629), (1652, 12342), (1694, 12036), (1848, 11033), (1947, 10472), (2006, 10164), (2057, 9912), (2244, 9086), (2478, 8228), (2541, 8024), (2596, 7854), (2618, 7788), (2856, 7139), (2904, 7021), (3009, 6776), (3304, 6171), (3388, 6018), (3894, 5236), (3927, 5192), (4012, 5082), (4114, 4956), (4488, 4543)]