20493264

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1049}}^1$

素因数の和:1108

約数の個数: 80

約数和(自身を含む): 59371200

約数和(自身を除く): 38877936

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 37, 44, 48, 66, 74, 88, 111, 132, 148, 176, 222, 264, 296, 407, 444, 528, 592, 814, 888, 1049, 1221, 1628, 1776, 2098, 2442, 3147, 3256, 4196, 4884, 6294, 6512, 8392, 9768, 11539, 12588, 16784, 19536, 23078, 25176, 34617, 38813, 46156, 50352, 69234, 77626, 92312, 116439, 138468, 155252, 184624, 232878, 276936, 310504, 426943, 465756, 553872, 621008, 853886, 931512, 1280829, 1707772, 1863024, 2561658, 3415544, 5123316, 6831088, 10246632, 20493264]

約数ペア:

[(1, 20493264), (2, 10246632), (3, 6831088), (4, 5123316), (6, 3415544), (8, 2561658), (11, 1863024), (12, 1707772), (16, 1280829), (22, 931512), (24, 853886), (33, 621008), (37, 553872), (44, 465756), (48, 426943), (66, 310504), (74, 276936), (88, 232878), (111, 184624), (132, 155252), (148, 138468), (176, 116439), (222, 92312), (264, 77626), (296, 69234), (407, 50352), (444, 46156), (528, 38813), (592, 34617), (814, 25176), (888, 23078), (1049, 19536), (1221, 16784), (1628, 12588), (1776, 11539), (2098, 9768), (2442, 8392), (3147, 6512), (3256, 6294), (4196, 4884)]