20270400

素因数分解:

$2^6\times 3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1$

素因数の和:169

約数の個数: 168

約数和(自身を含む): 68787264

約数和(自身を除く): 48516864

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 41, 48, 50, 60, 64, 75, 80, 82, 96, 100, 103, 120, 123, 150, 160, 164, 192, 200, 205, 206, 240, 246, 300, 309, 320, 328, 400, 410, 412, 480, 492, 515, 600, 615, 618, 656, 800, 820, 824, 960, 984, 1025, 1030, 1200, 1230, 1236, 1312, 1545, 1600, 1640, 1648, 1968, 2050, 2060, 2400, 2460, 2472, 2575, 2624, 3075, 3090, 3280, 3296, 3936, 4100, 4120, 4223, 4800, 4920, 4944, 5150, 6150, 6180, 6560, 6592, 7725, 7872, 8200, 8240, 8446, 9840, 9888, 10300, 12300, 12360, 12669, 13120, 15450, 16400, 16480, 16892, 19680, 19776, 20600, 21115, 24600, 24720, 25338, 30900, 32800, 32960, 33784, 39360, 41200, 42230, 49200, 49440, 50676, 61800, 63345, 65600, 67568, 82400, 84460, 98400, 98880, 101352, 105575, 123600, 126690, 135136, 164800, 168920, 196800, 202704, 211150, 247200, 253380, 270272, 316725, 337840, 405408, 422300, 494400, 506760, 633450, 675680, 810816, 844600, 1013520, 1266900, 1351360, 1689200, 2027040, 2533800, 3378400, 4054080, 5067600, 6756800, 10135200, 20270400]

約数ペア:

[(1, 20270400), (2, 10135200), (3, 6756800), (4, 5067600), (5, 4054080), (6, 3378400), (8, 2533800), (10, 2027040), (12, 1689200), (15, 1351360), (16, 1266900), (20, 1013520), (24, 844600), (25, 810816), (30, 675680), (32, 633450), (40, 506760), (41, 494400), (48, 422300), (50, 405408), (60, 337840), (64, 316725), (75, 270272), (80, 253380), (82, 247200), (96, 211150), (100, 202704), (103, 196800), (120, 168920), (123, 164800), (150, 135136), (160, 126690), (164, 123600), (192, 105575), (200, 101352), (205, 98880), (206, 98400), (240, 84460), (246, 82400), (300, 67568), (309, 65600), (320, 63345), (328, 61800), (400, 50676), (410, 49440), (412, 49200), (480, 42230), (492, 41200), (515, 39360), (600, 33784), (615, 32960), (618, 32800), (656, 30900), (800, 25338), (820, 24720), (824, 24600), (960, 21115), (984, 20600), (1025, 19776), (1030, 19680), (1200, 16892), (1230, 16480), (1236, 16400), (1312, 15450), (1545, 13120), (1600, 12669), (1640, 12360), (1648, 12300), (1968, 10300), (2050, 9888), (2060, 9840), (2400, 8446), (2460, 8240), (2472, 8200), (2575, 7872), (2624, 7725), (3075, 6592), (3090, 6560), (3280, 6180), (3296, 6150), (3936, 5150), (4100, 4944), (4120, 4920), (4223, 4800)]