20868112

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4513}}^1$

素因数の和:4555

約数の個数: 30

約数和(自身を含む): 42959738

約数和(自身を除く): 22091626

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4513, 4624, 9026, 18052, 36104, 72208, 76721, 153442, 306884, 613768, 1227536, 1304257, 2608514, 5217028, 10434056, 20868112]

約数ペア:

[(1, 20868112), (2, 10434056), (4, 5217028), (8, 2608514), (16, 1304257), (17, 1227536), (34, 613768), (68, 306884), (136, 153442), (272, 76721), (289, 72208), (578, 36104), (1156, 18052), (2312, 9026), (4513, 4624)]