20816224

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4549}}^1$

素因数の和:4583

約数の個数: 48

約数和(自身を含む): 48157200

約数和(自身を除く): 27340976

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4549, 4576, 9098, 18196, 36392, 50039, 59137, 72784, 100078, 118274, 145568, 200156, 236548, 400312, 473096, 650507, 800624, 946192, 1301014, 1601248, 1892384, 2602028, 5204056, 10408112, 20816224]

約数ペア:

[(1, 20816224), (2, 10408112), (4, 5204056), (8, 2602028), (11, 1892384), (13, 1601248), (16, 1301014), (22, 946192), (26, 800624), (32, 650507), (44, 473096), (52, 400312), (88, 236548), (104, 200156), (143, 145568), (176, 118274), (208, 100078), (286, 72784), (352, 59137), (416, 50039), (572, 36392), (1144, 18196), (2288, 9098), (4549, 4576)]