20293758

素因数分解:

$2^1\times 3^2\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 45405360

約数和(自身を除く): 25111602

約数列:

[1, 2, 3, 6, 9, 18, 59, 97, 118, 177, 194, 197, 291, 354, 394, 531, 582, 591, 873, 1062, 1182, 1746, 1773, 3546, 5723, 11446, 11623, 17169, 19109, 23246, 34338, 34869, 38218, 51507, 57327, 69738, 103014, 104607, 114654, 171981, 209214, 343962, 1127431, 2254862, 3382293, 6764586, 10146879, 20293758]

約数ペア:

[(1, 20293758), (2, 10146879), (3, 6764586), (6, 3382293), (9, 2254862), (18, 1127431), (59, 343962), (97, 209214), (118, 171981), (177, 114654), (194, 104607), (197, 103014), (291, 69738), (354, 57327), (394, 51507), (531, 38218), (582, 34869), (591, 34338), (873, 23246), (1062, 19109), (1182, 17169), (1746, 11623), (1773, 11446), (3546, 5723)]