20762085448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{286421}}^1$

素因数の和:286498

約数の個数: 64

約数和(自身を含む): 45472356720

約数和(自身を除く): 24710271272

約数列:

[1, 2, 4, 8, 13, 17, 26, 34, 41, 52, 68, 82, 104, 136, 164, 221, 328, 442, 533, 697, 884, 1066, 1394, 1768, 2132, 2788, 4264, 5576, 9061, 18122, 36244, 72488, 286421, 572842, 1145684, 2291368, 3723473, 4869157, 7446946, 9738314, 11743261, 14893892, 19476628, 23486522, 29787784, 38953256, 46973044, 63299041, 93946088, 126598082, 152662393, 199635437, 253196164, 305324786, 399270874, 506392328, 610649572, 798541748, 1221299144, 1597083496, 2595260681, 5190521362, 10381042724, 20762085448]

約数ペア:

[(1, 20762085448), (2, 10381042724), (4, 5190521362), (8, 2595260681), (13, 1597083496), (17, 1221299144), (26, 798541748), (34, 610649572), (41, 506392328), (52, 399270874), (68, 305324786), (82, 253196164), (104, 199635437), (136, 152662393), (164, 126598082), (221, 93946088), (328, 63299041), (442, 46973044), (533, 38953256), (697, 29787784), (884, 23486522), (1066, 19476628), (1394, 14893892), (1768, 11743261), (2132, 9738314), (2788, 7446946), (4264, 4869157), (5576, 3723473), (9061, 2291368), (18122, 1145684), (36244, 572842), (72488, 286421)]