20654400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{331}}^1$

素因数の和:369

約数の個数: 168

約数和(自身を含む): 73196704

約数和(自身を除く): 52542304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 25, 26, 30, 32, 39, 40, 48, 50, 52, 60, 64, 65, 75, 78, 80, 96, 100, 104, 120, 130, 150, 156, 160, 192, 195, 200, 208, 240, 260, 300, 312, 320, 325, 331, 390, 400, 416, 480, 520, 600, 624, 650, 662, 780, 800, 832, 960, 975, 993, 1040, 1200, 1248, 1300, 1324, 1560, 1600, 1655, 1950, 1986, 2080, 2400, 2496, 2600, 2648, 3120, 3310, 3900, 3972, 4160, 4303, 4800, 4965, 5200, 5296, 6240, 6620, 7800, 7944, 8275, 8606, 9930, 10400, 10592, 12480, 12909, 13240, 15600, 15888, 16550, 17212, 19860, 20800, 21184, 21515, 24825, 25818, 26480, 31200, 31776, 33100, 34424, 39720, 43030, 49650, 51636, 52960, 62400, 63552, 64545, 66200, 68848, 79440, 86060, 99300, 103272, 105920, 107575, 129090, 132400, 137696, 158880, 172120, 198600, 206544, 215150, 258180, 264800, 275392, 317760, 322725, 344240, 397200, 413088, 430300, 516360, 529600, 645450, 688480, 794400, 826176, 860600, 1032720, 1290900, 1376960, 1588800, 1721200, 2065440, 2581800, 3442400, 4130880, 5163600, 6884800, 10327200, 20654400]

約数ペア:

[(1, 20654400), (2, 10327200), (3, 6884800), (4, 5163600), (5, 4130880), (6, 3442400), (8, 2581800), (10, 2065440), (12, 1721200), (13, 1588800), (15, 1376960), (16, 1290900), (20, 1032720), (24, 860600), (25, 826176), (26, 794400), (30, 688480), (32, 645450), (39, 529600), (40, 516360), (48, 430300), (50, 413088), (52, 397200), (60, 344240), (64, 322725), (65, 317760), (75, 275392), (78, 264800), (80, 258180), (96, 215150), (100, 206544), (104, 198600), (120, 172120), (130, 158880), (150, 137696), (156, 132400), (160, 129090), (192, 107575), (195, 105920), (200, 103272), (208, 99300), (240, 86060), (260, 79440), (300, 68848), (312, 66200), (320, 64545), (325, 63552), (331, 62400), (390, 52960), (400, 51636), (416, 49650), (480, 43030), (520, 39720), (600, 34424), (624, 33100), (650, 31776), (662, 31200), (780, 26480), (800, 25818), (832, 24825), (960, 21515), (975, 21184), (993, 20800), (1040, 19860), (1200, 17212), (1248, 16550), (1300, 15888), (1324, 15600), (1560, 13240), (1600, 12909), (1655, 12480), (1950, 10592), (1986, 10400), (2080, 9930), (2400, 8606), (2496, 8275), (2600, 7944), (2648, 7800), (3120, 6620), (3310, 6240), (3900, 5296), (3972, 5200), (4160, 4965), (4303, 4800)]