20708160

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:121

約数の個数: 224

約数和(自身を含む): 75053952

約数和(自身を除く): 54345792

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 53, 55, 60, 64, 66, 74, 80, 88, 96, 106, 110, 111, 120, 132, 148, 159, 160, 165, 176, 185, 192, 212, 220, 222, 240, 264, 265, 296, 318, 320, 330, 352, 370, 407, 424, 440, 444, 480, 528, 530, 555, 583, 592, 636, 660, 704, 740, 795, 814, 848, 880, 888, 960, 1056, 1060, 1110, 1166, 1184, 1221, 1272, 1320, 1480, 1590, 1628, 1696, 1749, 1760, 1776, 1961, 2035, 2112, 2120, 2220, 2332, 2368, 2442, 2544, 2640, 2915, 2960, 3180, 3256, 3392, 3498, 3520, 3552, 3922, 4070, 4240, 4440, 4664, 4884, 5088, 5280, 5830, 5883, 5920, 6105, 6360, 6512, 6996, 7104, 7844, 8140, 8480, 8745, 8880, 9328, 9768, 9805, 10176, 10560, 11660, 11766, 11840, 12210, 12720, 13024, 13992, 15688, 16280, 16960, 17490, 17760, 18656, 19536, 19610, 21571, 23320, 23532, 24420, 25440, 26048, 27984, 29415, 31376, 32560, 34980, 35520, 37312, 39072, 39220, 43142, 46640, 47064, 48840, 50880, 55968, 58830, 62752, 64713, 65120, 69960, 78144, 78440, 86284, 93280, 94128, 97680, 107855, 111936, 117660, 125504, 129426, 130240, 139920, 156880, 172568, 186560, 188256, 195360, 215710, 235320, 258852, 279840, 313760, 323565, 345136, 376512, 390720, 431420, 470640, 517704, 559680, 627520, 647130, 690272, 862840, 941280, 1035408, 1294260, 1380544, 1725680, 1882560, 2070816, 2588520, 3451360, 4141632, 5177040, 6902720, 10354080, 20708160]

約数ペア:

[(1, 20708160), (2, 10354080), (3, 6902720), (4, 5177040), (5, 4141632), (6, 3451360), (8, 2588520), (10, 2070816), (11, 1882560), (12, 1725680), (15, 1380544), (16, 1294260), (20, 1035408), (22, 941280), (24, 862840), (30, 690272), (32, 647130), (33, 627520), (37, 559680), (40, 517704), (44, 470640), (48, 431420), (53, 390720), (55, 376512), (60, 345136), (64, 323565), (66, 313760), (74, 279840), (80, 258852), (88, 235320), (96, 215710), (106, 195360), (110, 188256), (111, 186560), (120, 172568), (132, 156880), (148, 139920), (159, 130240), (160, 129426), (165, 125504), (176, 117660), (185, 111936), (192, 107855), (212, 97680), (220, 94128), (222, 93280), (240, 86284), (264, 78440), (265, 78144), (296, 69960), (318, 65120), (320, 64713), (330, 62752), (352, 58830), (370, 55968), (407, 50880), (424, 48840), (440, 47064), (444, 46640), (480, 43142), (528, 39220), (530, 39072), (555, 37312), (583, 35520), (592, 34980), (636, 32560), (660, 31376), (704, 29415), (740, 27984), (795, 26048), (814, 25440), (848, 24420), (880, 23532), (888, 23320), (960, 21571), (1056, 19610), (1060, 19536), (1110, 18656), (1166, 17760), (1184, 17490), (1221, 16960), (1272, 16280), (1320, 15688), (1480, 13992), (1590, 13024), (1628, 12720), (1696, 12210), (1749, 11840), (1760, 11766), (1776, 11660), (1961, 10560), (2035, 10176), (2112, 9805), (2120, 9768), (2220, 9328), (2332, 8880), (2368, 8745), (2442, 8480), (2544, 8140), (2640, 7844), (2915, 7104), (2960, 6996), (3180, 6512), (3256, 6360), (3392, 6105), (3498, 5920), (3520, 5883), (3552, 5830), (3922, 5280), (4070, 5088), (4240, 4884), (4440, 4664)]