20654838

素因数分解:

$2^1\times 3^4\times {\mathrm{59}}^1\times {\mathrm{2161}}^1$

素因数の和:2234

約数の個数: 40

約数和(自身を含む): 47088360

約数和(自身を除く): 26433522

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 59, 81, 118, 162, 177, 354, 531, 1062, 1593, 2161, 3186, 4322, 4779, 6483, 9558, 12966, 19449, 38898, 58347, 116694, 127499, 175041, 254998, 350082, 382497, 764994, 1147491, 2294982, 3442473, 6884946, 10327419, 20654838]

約数ペア:

[(1, 20654838), (2, 10327419), (3, 6884946), (6, 3442473), (9, 2294982), (18, 1147491), (27, 764994), (54, 382497), (59, 350082), (81, 254998), (118, 175041), (162, 127499), (177, 116694), (354, 58347), (531, 38898), (1062, 19449), (1593, 12966), (2161, 9558), (3186, 6483), (4322, 4779)]