20388617757

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{134581}}^1$

素因数の和:134802

約数の個数: 32

約数和(自身を含む): 31352222720

約数和(自身を除く): 10963604963

約数列:

[1, 3, 9, 27, 31, 93, 181, 279, 543, 837, 1629, 4887, 5611, 16833, 50499, 134581, 151497, 403743, 1211229, 3633687, 4172011, 12516033, 24359161, 37548099, 73077483, 112644297, 219232449, 657697347, 755133991, 2265401973, 6796205919, 20388617757]

約数ペア:

[(1, 20388617757), (3, 6796205919), (9, 2265401973), (27, 755133991), (31, 657697347), (93, 219232449), (181, 112644297), (279, 73077483), (543, 37548099), (837, 24359161), (1629, 12516033), (4887, 4172011), (5611, 3633687), (16833, 1211229), (50499, 403743), (134581, 151497)]