20498331

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{347}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 12241509

約数列:

[1, 3, 7, 21, 29, 87, 97, 203, 291, 347, 609, 679, 1041, 2037, 2429, 2813, 7287, 8439, 10063, 19691, 30189, 33659, 59073, 70441, 100977, 211323, 235613, 706839, 976111, 2928333, 6832777, 20498331]

約数ペア:

[(1, 20498331), (3, 6832777), (7, 2928333), (21, 976111), (29, 706839), (87, 235613), (97, 211323), (203, 100977), (291, 70441), (347, 59073), (609, 33659), (679, 30189), (1041, 19691), (2037, 10063), (2429, 8439), (2813, 7287)]