20020167

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{53}}^1$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 31688280

約数和(自身を除く): 11668113

約数列:

[1, 3, 9, 19, 47, 53, 57, 141, 159, 171, 423, 477, 893, 1007, 2209, 2491, 2679, 3021, 6627, 7473, 8037, 9063, 19881, 22419, 41971, 47329, 117077, 125913, 141987, 351231, 377739, 425961, 1053693, 2224463, 6673389, 20020167]

約数ペア:

[(1, 20020167), (3, 6673389), (9, 2224463), (19, 1053693), (47, 425961), (53, 377739), (57, 351231), (141, 141987), (159, 125913), (171, 117077), (423, 47329), (477, 41971), (893, 22419), (1007, 19881), (2209, 9063), (2491, 8037), (2679, 7473), (3021, 6627)]