20155249088

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{174281}}^1$

素因数の和:174445

約数の個数: 56

約数和(自身を含む): 43382275440

約数和(自身を除く): 23227026352

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 139, 208, 278, 416, 556, 832, 1112, 1807, 2224, 3614, 4448, 7228, 8896, 14456, 28912, 57824, 115648, 174281, 348562, 697124, 1394248, 2265653, 2788496, 4531306, 5576992, 9062612, 11153984, 18125224, 24225059, 36250448, 48450118, 72500896, 96900236, 145001792, 193800472, 314925767, 387600944, 629851534, 775201888, 1259703068, 1550403776, 2519406136, 5038812272, 10077624544, 20155249088]

約数ペア:

[(1, 20155249088), (2, 10077624544), (4, 5038812272), (8, 2519406136), (13, 1550403776), (16, 1259703068), (26, 775201888), (32, 629851534), (52, 387600944), (64, 314925767), (104, 193800472), (139, 145001792), (208, 96900236), (278, 72500896), (416, 48450118), (556, 36250448), (832, 24225059), (1112, 18125224), (1807, 11153984), (2224, 9062612), (3614, 5576992), (4448, 4531306), (7228, 2788496), (8896, 2265653), (14456, 1394248), (28912, 697124), (57824, 348562), (115648, 174281)]