20368320

素因数分解:

$2^6\times 3^1\times 5^1\times 7^2\times {\mathrm{433}}^1$

素因数の和:467

約数の個数: 168

約数和(自身を含む): 75401424

約数和(自身を除く): 55033104

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 64, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 192, 196, 210, 224, 240, 245, 280, 294, 320, 336, 392, 420, 433, 448, 480, 490, 560, 588, 672, 735, 784, 840, 866, 960, 980, 1120, 1176, 1299, 1344, 1470, 1568, 1680, 1732, 1960, 2165, 2240, 2352, 2598, 2940, 3031, 3136, 3360, 3464, 3920, 4330, 4704, 5196, 5880, 6062, 6495, 6720, 6928, 7840, 8660, 9093, 9408, 10392, 11760, 12124, 12990, 13856, 15155, 15680, 17320, 18186, 20784, 21217, 23520, 24248, 25980, 27712, 30310, 34640, 36372, 41568, 42434, 45465, 47040, 48496, 51960, 60620, 63651, 69280, 72744, 83136, 84868, 90930, 96992, 103920, 106085, 121240, 127302, 138560, 145488, 169736, 181860, 193984, 207840, 212170, 242480, 254604, 290976, 318255, 339472, 363720, 415680, 424340, 484960, 509208, 581952, 636510, 678944, 727440, 848680, 969920, 1018416, 1273020, 1357888, 1454880, 1697360, 2036832, 2546040, 2909760, 3394720, 4073664, 5092080, 6789440, 10184160, 20368320]

約数ペア:

[(1, 20368320), (2, 10184160), (3, 6789440), (4, 5092080), (5, 4073664), (6, 3394720), (7, 2909760), (8, 2546040), (10, 2036832), (12, 1697360), (14, 1454880), (15, 1357888), (16, 1273020), (20, 1018416), (21, 969920), (24, 848680), (28, 727440), (30, 678944), (32, 636510), (35, 581952), (40, 509208), (42, 484960), (48, 424340), (49, 415680), (56, 363720), (60, 339472), (64, 318255), (70, 290976), (80, 254604), (84, 242480), (96, 212170), (98, 207840), (105, 193984), (112, 181860), (120, 169736), (140, 145488), (147, 138560), (160, 127302), (168, 121240), (192, 106085), (196, 103920), (210, 96992), (224, 90930), (240, 84868), (245, 83136), (280, 72744), (294, 69280), (320, 63651), (336, 60620), (392, 51960), (420, 48496), (433, 47040), (448, 45465), (480, 42434), (490, 41568), (560, 36372), (588, 34640), (672, 30310), (735, 27712), (784, 25980), (840, 24248), (866, 23520), (960, 21217), (980, 20784), (1120, 18186), (1176, 17320), (1299, 15680), (1344, 15155), (1470, 13856), (1568, 12990), (1680, 12124), (1732, 11760), (1960, 10392), (2165, 9408), (2240, 9093), (2352, 8660), (2598, 7840), (2940, 6928), (3031, 6720), (3136, 6495), (3360, 6062), (3464, 5880), (3920, 5196), (4330, 4704)]