20043442

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 48

約数和(自身を含む): 35551872

約数和(自身を除く): 15508430

約数列:

[1, 2, 17, 19, 23, 34, 38, 46, 71, 142, 323, 361, 391, 437, 646, 722, 782, 874, 1207, 1349, 1633, 2414, 2698, 3266, 6137, 7429, 8303, 12274, 14858, 16606, 22933, 25631, 27761, 31027, 45866, 51262, 55522, 62054, 141151, 282302, 435727, 527459, 589513, 871454, 1054918, 1179026, 10021721, 20043442]

約数ペア:

[(1, 20043442), (2, 10021721), (17, 1179026), (19, 1054918), (23, 871454), (34, 589513), (38, 527459), (46, 435727), (71, 282302), (142, 141151), (323, 62054), (361, 55522), (391, 51262), (437, 45866), (646, 31027), (722, 27761), (782, 25631), (874, 22933), (1207, 16606), (1349, 14858), (1633, 12274), (2414, 8303), (2698, 7429), (3266, 6137)]