20424768

素因数分解:

$2^6\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1$

素因数の和:209

約数の個数: 168

約数和(自身を含む): 68104512

約数和(自身を除く): 47679744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 49, 52, 56, 64, 78, 84, 91, 96, 98, 104, 112, 147, 156, 167, 168, 182, 192, 196, 208, 224, 273, 294, 312, 334, 336, 364, 392, 416, 448, 501, 546, 588, 624, 637, 668, 672, 728, 784, 832, 1002, 1092, 1169, 1176, 1248, 1274, 1336, 1344, 1456, 1568, 1911, 2004, 2171, 2184, 2338, 2352, 2496, 2548, 2672, 2912, 3136, 3507, 3822, 4008, 4342, 4368, 4676, 4704, 5096, 5344, 5824, 6513, 7014, 7644, 8016, 8183, 8684, 8736, 9352, 9408, 10192, 10688, 13026, 14028, 15197, 15288, 16032, 16366, 17368, 17472, 18704, 20384, 24549, 26052, 28056, 30394, 30576, 32064, 32732, 34736, 37408, 40768, 45591, 49098, 52104, 56112, 60788, 61152, 65464, 69472, 74816, 91182, 98196, 104208, 106379, 112224, 121576, 122304, 130928, 138944, 182364, 196392, 208416, 212758, 224448, 243152, 261856, 319137, 364728, 392784, 416832, 425516, 486304, 523712, 638274, 729456, 785568, 851032, 972608, 1276548, 1458912, 1571136, 1702064, 2553096, 2917824, 3404128, 5106192, 6808256, 10212384, 20424768]

約数ペア:

[(1, 20424768), (2, 10212384), (3, 6808256), (4, 5106192), (6, 3404128), (7, 2917824), (8, 2553096), (12, 1702064), (13, 1571136), (14, 1458912), (16, 1276548), (21, 972608), (24, 851032), (26, 785568), (28, 729456), (32, 638274), (39, 523712), (42, 486304), (48, 425516), (49, 416832), (52, 392784), (56, 364728), (64, 319137), (78, 261856), (84, 243152), (91, 224448), (96, 212758), (98, 208416), (104, 196392), (112, 182364), (147, 138944), (156, 130928), (167, 122304), (168, 121576), (182, 112224), (192, 106379), (196, 104208), (208, 98196), (224, 91182), (273, 74816), (294, 69472), (312, 65464), (334, 61152), (336, 60788), (364, 56112), (392, 52104), (416, 49098), (448, 45591), (501, 40768), (546, 37408), (588, 34736), (624, 32732), (637, 32064), (668, 30576), (672, 30394), (728, 28056), (784, 26052), (832, 24549), (1002, 20384), (1092, 18704), (1169, 17472), (1176, 17368), (1248, 16366), (1274, 16032), (1336, 15288), (1344, 15197), (1456, 14028), (1568, 13026), (1911, 10688), (2004, 10192), (2171, 9408), (2184, 9352), (2338, 8736), (2352, 8684), (2496, 8183), (2548, 8016), (2672, 7644), (2912, 7014), (3136, 6513), (3507, 5824), (3822, 5344), (4008, 5096), (4342, 4704), (4368, 4676)]