20286205888

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{24382459}}^1$

素因数の和:24382484

約数の個数: 28

約数和(自身を含む): 43352013880

約数和(自身を除く): 23065807992

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 24382459, 48764918, 97529836, 195059672, 316971967, 390119344, 633943934, 780238688, 1267887868, 1560477376, 2535775736, 5071551472, 10143102944, 20286205888]

約数ペア:

[(1, 20286205888), (2, 10143102944), (4, 5071551472), (8, 2535775736), (13, 1560477376), (16, 1267887868), (26, 780238688), (32, 633943934), (52, 390119344), (64, 316971967), (104, 195059672), (208, 97529836), (416, 48764918), (832, 24382459)]