20765888

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2269}}^1$

素因数の和:2305

約数の個数: 56

約数和(自身を含む): 48432720

約数和(自身を除く): 27666832

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 64, 88, 104, 143, 176, 208, 286, 352, 416, 572, 704, 832, 1144, 2269, 2288, 4538, 4576, 9076, 9152, 18152, 24959, 29497, 36304, 49918, 58994, 72608, 99836, 117988, 145216, 199672, 235976, 324467, 399344, 471952, 648934, 798688, 943904, 1297868, 1597376, 1887808, 2595736, 5191472, 10382944, 20765888]

約数ペア:

[(1, 20765888), (2, 10382944), (4, 5191472), (8, 2595736), (11, 1887808), (13, 1597376), (16, 1297868), (22, 943904), (26, 798688), (32, 648934), (44, 471952), (52, 399344), (64, 324467), (88, 235976), (104, 199672), (143, 145216), (176, 117988), (208, 99836), (286, 72608), (352, 58994), (416, 49918), (572, 36304), (704, 29497), (832, 24959), (1144, 18152), (2269, 9152), (2288, 9076), (4538, 4576)]