20208960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{2339}}^1$

素因数の和:2365

約数の個数: 112

約数和(自身を含む): 71323200

約数和(自身を除く): 51114240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 432, 480, 540, 576, 720, 864, 960, 1080, 1440, 1728, 2160, 2339, 2880, 4320, 4678, 7017, 8640, 9356, 11695, 14034, 18712, 21051, 23390, 28068, 35085, 37424, 42102, 46780, 56136, 63153, 70170, 74848, 84204, 93560, 105255, 112272, 126306, 140340, 149696, 168408, 187120, 210510, 224544, 252612, 280680, 315765, 336816, 374240, 421020, 449088, 505224, 561360, 631530, 673632, 748480, 842040, 1010448, 1122720, 1263060, 1347264, 1684080, 2020896, 2245440, 2526120, 3368160, 4041792, 5052240, 6736320, 10104480, 20208960]

約数ペア:

[(1, 20208960), (2, 10104480), (3, 6736320), (4, 5052240), (5, 4041792), (6, 3368160), (8, 2526120), (9, 2245440), (10, 2020896), (12, 1684080), (15, 1347264), (16, 1263060), (18, 1122720), (20, 1010448), (24, 842040), (27, 748480), (30, 673632), (32, 631530), (36, 561360), (40, 505224), (45, 449088), (48, 421020), (54, 374240), (60, 336816), (64, 315765), (72, 280680), (80, 252612), (90, 224544), (96, 210510), (108, 187120), (120, 168408), (135, 149696), (144, 140340), (160, 126306), (180, 112272), (192, 105255), (216, 93560), (240, 84204), (270, 74848), (288, 70170), (320, 63153), (360, 56136), (432, 46780), (480, 42102), (540, 37424), (576, 35085), (720, 28068), (864, 23390), (960, 21051), (1080, 18712), (1440, 14034), (1728, 11695), (2160, 9356), (2339, 8640), (2880, 7017), (4320, 4678)]