20502768

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1$

素因数の和:167

約数の個数: 160

約数和(自身を含む): 64995840

約数和(自身を除く): 44493072

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 13, 16, 22, 24, 26, 29, 33, 39, 44, 48, 52, 58, 66, 78, 87, 88, 103, 104, 116, 132, 143, 156, 174, 176, 206, 208, 232, 264, 286, 309, 312, 319, 348, 377, 412, 429, 464, 528, 572, 618, 624, 638, 696, 754, 824, 858, 957, 1131, 1133, 1144, 1236, 1276, 1339, 1392, 1508, 1648, 1716, 1914, 2262, 2266, 2288, 2472, 2552, 2678, 2987, 3016, 3399, 3432, 3828, 4017, 4147, 4524, 4532, 4944, 5104, 5356, 5974, 6032, 6798, 6864, 7656, 8034, 8294, 8961, 9048, 9064, 10712, 11948, 12441, 13596, 14729, 15312, 16068, 16588, 17922, 18096, 18128, 21424, 23896, 24882, 27192, 29458, 32136, 32857, 33176, 35844, 38831, 44187, 47792, 49764, 54384, 58916, 64272, 65714, 66352, 71688, 77662, 88374, 98571, 99528, 116493, 117832, 131428, 143376, 155324, 176748, 197142, 199056, 232986, 235664, 262856, 310648, 353496, 394284, 427141, 465972, 525712, 621296, 706992, 788568, 854282, 931944, 1281423, 1577136, 1708564, 1863888, 2562846, 3417128, 5125692, 6834256, 10251384, 20502768]

約数ペア:

[(1, 20502768), (2, 10251384), (3, 6834256), (4, 5125692), (6, 3417128), (8, 2562846), (11, 1863888), (12, 1708564), (13, 1577136), (16, 1281423), (22, 931944), (24, 854282), (26, 788568), (29, 706992), (33, 621296), (39, 525712), (44, 465972), (48, 427141), (52, 394284), (58, 353496), (66, 310648), (78, 262856), (87, 235664), (88, 232986), (103, 199056), (104, 197142), (116, 176748), (132, 155324), (143, 143376), (156, 131428), (174, 117832), (176, 116493), (206, 99528), (208, 98571), (232, 88374), (264, 77662), (286, 71688), (309, 66352), (312, 65714), (319, 64272), (348, 58916), (377, 54384), (412, 49764), (429, 47792), (464, 44187), (528, 38831), (572, 35844), (618, 33176), (624, 32857), (638, 32136), (696, 29458), (754, 27192), (824, 24882), (858, 23896), (957, 21424), (1131, 18128), (1133, 18096), (1144, 17922), (1236, 16588), (1276, 16068), (1339, 15312), (1392, 14729), (1508, 13596), (1648, 12441), (1716, 11948), (1914, 10712), (2262, 9064), (2266, 9048), (2288, 8961), (2472, 8294), (2552, 8034), (2678, 7656), (2987, 6864), (3016, 6798), (3399, 6032), (3432, 5974), (3828, 5356), (4017, 5104), (4147, 4944), (4524, 4532)]