20503392

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2347}}^1$

素因数の和:2380

約数の個数: 96

約数和(自身を含む): 66269952

約数和(自身を除く): 45766560

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 32, 39, 42, 48, 52, 56, 78, 84, 91, 96, 104, 112, 156, 168, 182, 208, 224, 273, 312, 336, 364, 416, 546, 624, 672, 728, 1092, 1248, 1456, 2184, 2347, 2912, 4368, 4694, 7041, 8736, 9388, 14082, 16429, 18776, 28164, 30511, 32858, 37552, 49287, 56328, 61022, 65716, 75104, 91533, 98574, 112656, 122044, 131432, 183066, 197148, 213577, 225312, 244088, 262864, 366132, 394296, 427154, 488176, 525728, 640731, 732264, 788592, 854308, 976352, 1281462, 1464528, 1577184, 1708616, 2562924, 2929056, 3417232, 5125848, 6834464, 10251696, 20503392]

約数ペア:

[(1, 20503392), (2, 10251696), (3, 6834464), (4, 5125848), (6, 3417232), (7, 2929056), (8, 2562924), (12, 1708616), (13, 1577184), (14, 1464528), (16, 1281462), (21, 976352), (24, 854308), (26, 788592), (28, 732264), (32, 640731), (39, 525728), (42, 488176), (48, 427154), (52, 394296), (56, 366132), (78, 262864), (84, 244088), (91, 225312), (96, 213577), (104, 197148), (112, 183066), (156, 131432), (168, 122044), (182, 112656), (208, 98574), (224, 91533), (273, 75104), (312, 65716), (336, 61022), (364, 56328), (416, 49287), (546, 37552), (624, 32858), (672, 30511), (728, 28164), (1092, 18776), (1248, 16429), (1456, 14082), (2184, 9388), (2347, 8736), (2912, 7041), (4368, 4694)]