20669376

素因数分解:

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

素因数の和:68

約数の個数: 168

約数和(自身を含む): 68915280

約数和(自身を除く): 48245904

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, 168, 169, 182, 192, 196, 208, 224, 273, 294, 312, 336, 338, 364, 392, 416, 448, 507, 546, 588, 624, 637, 672, 676, 728, 784, 832, 1014, 1092, 1176, 1183, 1248, 1274, 1344, 1352, 1456, 1568, 1911, 2028, 2184, 2197, 2352, 2366, 2496, 2548, 2704, 2912, 3136, 3549, 3822, 4056, 4368, 4394, 4704, 4732, 5096, 5408, 5824, 6591, 7098, 7644, 8112, 8281, 8736, 8788, 9408, 9464, 10192, 10816, 13182, 14196, 15288, 15379, 16224, 16562, 17472, 17576, 18928, 20384, 24843, 26364, 28392, 30576, 30758, 32448, 33124, 35152, 37856, 40768, 46137, 49686, 52728, 56784, 61152, 61516, 66248, 70304, 75712, 92274, 99372, 105456, 107653, 113568, 122304, 123032, 132496, 140608, 184548, 198744, 210912, 215306, 227136, 246064, 264992, 322959, 369096, 397488, 421824, 430612, 492128, 529984, 645918, 738192, 794976, 861224, 984256, 1291836, 1476384, 1589952, 1722448, 2583672, 2952768, 3444896, 5167344, 6889792, 10334688, 20669376]

約数ペア:

[(1, 20669376), (2, 10334688), (3, 6889792), (4, 5167344), (6, 3444896), (7, 2952768), (8, 2583672), (12, 1722448), (13, 1589952), (14, 1476384), (16, 1291836), (21, 984256), (24, 861224), (26, 794976), (28, 738192), (32, 645918), (39, 529984), (42, 492128), (48, 430612), (49, 421824), (52, 397488), (56, 369096), (64, 322959), (78, 264992), (84, 246064), (91, 227136), (96, 215306), (98, 210912), (104, 198744), (112, 184548), (147, 140608), (156, 132496), (168, 123032), (169, 122304), (182, 113568), (192, 107653), (196, 105456), (208, 99372), (224, 92274), (273, 75712), (294, 70304), (312, 66248), (336, 61516), (338, 61152), (364, 56784), (392, 52728), (416, 49686), (448, 46137), (507, 40768), (546, 37856), (588, 35152), (624, 33124), (637, 32448), (672, 30758), (676, 30576), (728, 28392), (784, 26364), (832, 24843), (1014, 20384), (1092, 18928), (1176, 17576), (1183, 17472), (1248, 16562), (1274, 16224), (1344, 15379), (1352, 15288), (1456, 14196), (1568, 13182), (1911, 10816), (2028, 10192), (2184, 9464), (2197, 9408), (2352, 8788), (2366, 8736), (2496, 8281), (2548, 8112), (2704, 7644), (2912, 7098), (3136, 6591), (3549, 5824), (3822, 5408), (4056, 5096), (4368, 4732), (4394, 4704)]