20649552

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 160

約数和(自身を含む): 68757504

約数和(自身を除く): 48107952

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 16, 21, 22, 24, 28, 33, 37, 42, 44, 48, 56, 66, 74, 77, 84, 88, 111, 112, 132, 148, 151, 154, 168, 176, 222, 231, 259, 264, 296, 302, 308, 336, 407, 444, 453, 462, 518, 528, 592, 604, 616, 777, 814, 888, 906, 924, 1036, 1057, 1208, 1221, 1232, 1554, 1628, 1661, 1776, 1812, 1848, 2072, 2114, 2416, 2442, 2849, 3108, 3171, 3256, 3322, 3624, 3696, 4144, 4228, 4884, 4983, 5587, 5698, 6216, 6342, 6512, 6644, 7248, 8456, 8547, 9768, 9966, 11174, 11396, 11627, 12432, 12684, 13288, 16761, 16912, 17094, 19536, 19932, 22348, 22792, 23254, 25368, 26576, 33522, 34188, 34881, 39109, 39864, 44696, 45584, 46508, 50736, 61457, 67044, 68376, 69762, 78218, 79728, 89392, 93016, 117327, 122914, 134088, 136752, 139524, 156436, 184371, 186032, 234654, 245828, 268176, 279048, 312872, 368742, 430199, 469308, 491656, 558096, 625744, 737484, 860398, 938616, 983312, 1290597, 1474968, 1720796, 1877232, 2581194, 2949936, 3441592, 5162388, 6883184, 10324776, 20649552]

約数ペア:

[(1, 20649552), (2, 10324776), (3, 6883184), (4, 5162388), (6, 3441592), (7, 2949936), (8, 2581194), (11, 1877232), (12, 1720796), (14, 1474968), (16, 1290597), (21, 983312), (22, 938616), (24, 860398), (28, 737484), (33, 625744), (37, 558096), (42, 491656), (44, 469308), (48, 430199), (56, 368742), (66, 312872), (74, 279048), (77, 268176), (84, 245828), (88, 234654), (111, 186032), (112, 184371), (132, 156436), (148, 139524), (151, 136752), (154, 134088), (168, 122914), (176, 117327), (222, 93016), (231, 89392), (259, 79728), (264, 78218), (296, 69762), (302, 68376), (308, 67044), (336, 61457), (407, 50736), (444, 46508), (453, 45584), (462, 44696), (518, 39864), (528, 39109), (592, 34881), (604, 34188), (616, 33522), (777, 26576), (814, 25368), (888, 23254), (906, 22792), (924, 22348), (1036, 19932), (1057, 19536), (1208, 17094), (1221, 16912), (1232, 16761), (1554, 13288), (1628, 12684), (1661, 12432), (1776, 11627), (1812, 11396), (1848, 11174), (2072, 9966), (2114, 9768), (2416, 8547), (2442, 8456), (2849, 7248), (3108, 6644), (3171, 6512), (3256, 6342), (3322, 6216), (3624, 5698), (3696, 5587), (4144, 4983), (4228, 4884)]