20804967105

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{654553}}^1$

素因数の和:654737

約数の個数: 32

約数和(自身を含む): 36068543616

約数和(自身を除く): 15263576511

約数列:

[1, 3, 5, 13, 15, 39, 65, 163, 195, 489, 815, 2119, 2445, 6357, 10595, 31785, 654553, 1963659, 3272765, 8509189, 9818295, 25527567, 42545945, 106692139, 127637835, 320076417, 533460695, 1386997807, 1600382085, 4160993421, 6934989035, 20804967105]

約数ペア:

[(1, 20804967105), (3, 6934989035), (5, 4160993421), (13, 1600382085), (15, 1386997807), (39, 533460695), (65, 320076417), (163, 127637835), (195, 106692139), (489, 42545945), (815, 25527567), (2119, 9818295), (2445, 8509189), (6357, 3272765), (10595, 1963659), (31785, 654553)]