20195643

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{367}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 31159296

約数和(自身を除く): 10963653

約数列:

[1, 3, 13, 17, 39, 51, 83, 221, 249, 367, 663, 1079, 1101, 1411, 3237, 4233, 4771, 6239, 14313, 18343, 18717, 30461, 55029, 81107, 91383, 243321, 395993, 517837, 1187979, 1553511, 6731881, 20195643]

約数ペア:

[(1, 20195643), (3, 6731881), (13, 1553511), (17, 1187979), (39, 517837), (51, 395993), (83, 243321), (221, 91383), (249, 81107), (367, 55029), (663, 30461), (1079, 18717), (1101, 18343), (1411, 14313), (3237, 6239), (4233, 4771)]