20832656

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2131}}^1$

素因数の和:2199

約数の個数: 40

約数和(自身を含む): 44413824

約数和(自身を除く): 23581168

約数列:

[1, 2, 4, 8, 13, 16, 26, 47, 52, 94, 104, 188, 208, 376, 611, 752, 1222, 2131, 2444, 4262, 4888, 8524, 9776, 17048, 27703, 34096, 55406, 100157, 110812, 200314, 221624, 400628, 443248, 801256, 1302041, 1602512, 2604082, 5208164, 10416328, 20832656]

約数ペア:

[(1, 20832656), (2, 10416328), (4, 5208164), (8, 2604082), (13, 1602512), (16, 1302041), (26, 801256), (47, 443248), (52, 400628), (94, 221624), (104, 200314), (188, 110812), (208, 100157), (376, 55406), (611, 34096), (752, 27703), (1222, 17048), (2131, 9776), (2444, 8524), (4262, 4888)]