20653586

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 32

約数和(自身を含む): 33965568

約数和(自身を除く): 13311982

約数列:

[1, 2, 23, 41, 46, 47, 82, 94, 233, 466, 943, 1081, 1886, 1927, 2162, 3854, 5359, 9553, 10718, 10951, 19106, 21902, 44321, 88642, 219719, 251873, 439438, 448991, 503746, 897982, 10326793, 20653586]

約数ペア:

[(1, 20653586), (2, 10326793), (23, 897982), (41, 503746), (46, 448991), (47, 439438), (82, 251873), (94, 219719), (233, 88642), (466, 44321), (943, 21902), (1081, 19106), (1886, 10951), (1927, 10718), (2162, 9553), (3854, 5359)]