20382858

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{557}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 47005920

約数和(自身を除く): 26623062

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 107, 114, 171, 214, 321, 342, 557, 642, 963, 1114, 1671, 1926, 2033, 3342, 4066, 5013, 6099, 10026, 10583, 12198, 18297, 21166, 31749, 36594, 59599, 63498, 95247, 119198, 178797, 190494, 357594, 536391, 1072782, 1132381, 2264762, 3397143, 6794286, 10191429, 20382858]

約数ペア:

[(1, 20382858), (2, 10191429), (3, 6794286), (6, 3397143), (9, 2264762), (18, 1132381), (19, 1072782), (38, 536391), (57, 357594), (107, 190494), (114, 178797), (171, 119198), (214, 95247), (321, 63498), (342, 59599), (557, 36594), (642, 31749), (963, 21166), (1114, 18297), (1671, 12198), (1926, 10583), (2033, 10026), (3342, 6099), (4066, 5013)]