20087200

素因数分解:

$2^5\times 5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{211}}^1$

素因数の和:255

約数の個数: 144

約数和(自身を含む): 59621184

約数和(自身を除く): 39533984

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 25, 28, 32, 34, 35, 40, 50, 56, 68, 70, 80, 85, 100, 112, 119, 136, 140, 160, 170, 175, 200, 211, 224, 238, 272, 280, 340, 350, 400, 422, 425, 476, 544, 560, 595, 680, 700, 800, 844, 850, 952, 1055, 1120, 1190, 1360, 1400, 1477, 1688, 1700, 1904, 2110, 2380, 2720, 2800, 2954, 2975, 3376, 3400, 3587, 3808, 4220, 4760, 5275, 5600, 5908, 5950, 6752, 6800, 7174, 7385, 8440, 9520, 10550, 11816, 11900, 13600, 14348, 14770, 16880, 17935, 19040, 21100, 23632, 23800, 25109, 28696, 29540, 33760, 35870, 36925, 42200, 47264, 47600, 50218, 57392, 59080, 71740, 73850, 84400, 89675, 95200, 100436, 114784, 118160, 125545, 143480, 147700, 168800, 179350, 200872, 236320, 251090, 286960, 295400, 358700, 401744, 502180, 573920, 590800, 627725, 717400, 803488, 1004360, 1181600, 1255450, 1434800, 2008720, 2510900, 2869600, 4017440, 5021800, 10043600, 20087200]

約数ペア:

[(1, 20087200), (2, 10043600), (4, 5021800), (5, 4017440), (7, 2869600), (8, 2510900), (10, 2008720), (14, 1434800), (16, 1255450), (17, 1181600), (20, 1004360), (25, 803488), (28, 717400), (32, 627725), (34, 590800), (35, 573920), (40, 502180), (50, 401744), (56, 358700), (68, 295400), (70, 286960), (80, 251090), (85, 236320), (100, 200872), (112, 179350), (119, 168800), (136, 147700), (140, 143480), (160, 125545), (170, 118160), (175, 114784), (200, 100436), (211, 95200), (224, 89675), (238, 84400), (272, 73850), (280, 71740), (340, 59080), (350, 57392), (400, 50218), (422, 47600), (425, 47264), (476, 42200), (544, 36925), (560, 35870), (595, 33760), (680, 29540), (700, 28696), (800, 25109), (844, 23800), (850, 23632), (952, 21100), (1055, 19040), (1120, 17935), (1190, 16880), (1360, 14770), (1400, 14348), (1477, 13600), (1688, 11900), (1700, 11816), (1904, 10550), (2110, 9520), (2380, 8440), (2720, 7385), (2800, 7174), (2954, 6800), (2975, 6752), (3376, 5950), (3400, 5908), (3587, 5600), (3808, 5275), (4220, 4760)]