20612160

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{421}}^1$

素因数の和:461

約数の個数: 168

約数和(自身を含む): 75245976

約数和(自身を除く): 54633816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 30, 32, 34, 36, 40, 45, 48, 51, 60, 64, 68, 72, 80, 85, 90, 96, 102, 120, 136, 144, 153, 160, 170, 180, 192, 204, 240, 255, 272, 288, 306, 320, 340, 360, 408, 421, 480, 510, 544, 576, 612, 680, 720, 765, 816, 842, 960, 1020, 1088, 1224, 1263, 1360, 1440, 1530, 1632, 1684, 2040, 2105, 2448, 2526, 2720, 2880, 3060, 3264, 3368, 3789, 4080, 4210, 4896, 5052, 5440, 6120, 6315, 6736, 7157, 7578, 8160, 8420, 9792, 10104, 12240, 12630, 13472, 14314, 15156, 16320, 16840, 18945, 20208, 21471, 24480, 25260, 26944, 28628, 30312, 33680, 35785, 37890, 40416, 42942, 48960, 50520, 57256, 60624, 64413, 67360, 71570, 75780, 80832, 85884, 101040, 107355, 114512, 121248, 128826, 134720, 143140, 151560, 171768, 202080, 214710, 229024, 242496, 257652, 286280, 303120, 322065, 343536, 404160, 429420, 458048, 515304, 572560, 606240, 644130, 687072, 858840, 1030608, 1145120, 1212480, 1288260, 1374144, 1717680, 2061216, 2290240, 2576520, 3435360, 4122432, 5153040, 6870720, 10306080, 20612160]

約数ペア:

[(1, 20612160), (2, 10306080), (3, 6870720), (4, 5153040), (5, 4122432), (6, 3435360), (8, 2576520), (9, 2290240), (10, 2061216), (12, 1717680), (15, 1374144), (16, 1288260), (17, 1212480), (18, 1145120), (20, 1030608), (24, 858840), (30, 687072), (32, 644130), (34, 606240), (36, 572560), (40, 515304), (45, 458048), (48, 429420), (51, 404160), (60, 343536), (64, 322065), (68, 303120), (72, 286280), (80, 257652), (85, 242496), (90, 229024), (96, 214710), (102, 202080), (120, 171768), (136, 151560), (144, 143140), (153, 134720), (160, 128826), (170, 121248), (180, 114512), (192, 107355), (204, 101040), (240, 85884), (255, 80832), (272, 75780), (288, 71570), (306, 67360), (320, 64413), (340, 60624), (360, 57256), (408, 50520), (421, 48960), (480, 42942), (510, 40416), (544, 37890), (576, 35785), (612, 33680), (680, 30312), (720, 28628), (765, 26944), (816, 25260), (842, 24480), (960, 21471), (1020, 20208), (1088, 18945), (1224, 16840), (1263, 16320), (1360, 15156), (1440, 14314), (1530, 13472), (1632, 12630), (1684, 12240), (2040, 10104), (2105, 9792), (2448, 8420), (2526, 8160), (2720, 7578), (2880, 7157), (3060, 6736), (3264, 6315), (3368, 6120), (3789, 5440), (4080, 5052), (4210, 4896)]