20054655

素因数分解:

$3^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{997}}^1$

素因数の和:1160

約数の個数: 32

約数和(自身を含む): 35928000

約数和(自身を除く): 15873345

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 149, 447, 745, 997, 1341, 2235, 2991, 4023, 4985, 6705, 8973, 14955, 20115, 26919, 44865, 134595, 148553, 445659, 742765, 1336977, 2228295, 4010931, 6684885, 20054655]

約数ペア:

[(1, 20054655), (3, 6684885), (5, 4010931), (9, 2228295), (15, 1336977), (27, 742765), (45, 445659), (135, 148553), (149, 134595), (447, 44865), (745, 26919), (997, 20115), (1341, 14955), (2235, 8973), (2991, 6705), (4023, 4985)]