20369280

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{103}}^2$

素因数の和:228

約数の個数: 96

約数和(自身を含む): 65563560

約数和(自身を除く): 45194280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 103, 120, 128, 160, 192, 206, 240, 309, 320, 384, 412, 480, 515, 618, 640, 824, 960, 1030, 1236, 1545, 1648, 1920, 2060, 2472, 3090, 3296, 4120, 4944, 6180, 6592, 8240, 9888, 10609, 12360, 13184, 16480, 19776, 21218, 24720, 31827, 32960, 39552, 42436, 49440, 53045, 63654, 65920, 84872, 98880, 106090, 127308, 159135, 169744, 197760, 212180, 254616, 318270, 339488, 424360, 509232, 636540, 678976, 848720, 1018464, 1273080, 1357952, 1697440, 2036928, 2546160, 3394880, 4073856, 5092320, 6789760, 10184640, 20369280]

約数ペア:

[(1, 20369280), (2, 10184640), (3, 6789760), (4, 5092320), (5, 4073856), (6, 3394880), (8, 2546160), (10, 2036928), (12, 1697440), (15, 1357952), (16, 1273080), (20, 1018464), (24, 848720), (30, 678976), (32, 636540), (40, 509232), (48, 424360), (60, 339488), (64, 318270), (80, 254616), (96, 212180), (103, 197760), (120, 169744), (128, 159135), (160, 127308), (192, 106090), (206, 98880), (240, 84872), (309, 65920), (320, 63654), (384, 53045), (412, 49440), (480, 42436), (515, 39552), (618, 32960), (640, 31827), (824, 24720), (960, 21218), (1030, 19776), (1236, 16480), (1545, 13184), (1648, 12360), (1920, 10609), (2060, 9888), (2472, 8240), (3090, 6592), (3296, 6180), (4120, 4944)]