20994016095

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1987}}^1\times {\mathrm{18061}}^1$

素因数の和:20072

約数の個数: 48

約数和(自身を含む): 39210723552

約数和(自身を除く): 18216707457

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 1987, 5961, 9935, 17883, 18061, 25831, 29805, 54183, 77493, 89415, 90305, 129155, 162549, 232479, 234793, 270915, 387465, 704379, 812745, 1162395, 1173965, 2113137, 3521895, 10565685, 35887207, 107661621, 179436035, 322984863, 466533691, 538308105, 1399601073, 1614924315, 2332668455, 4198803219, 6998005365, 20994016095]

約数ペア:

[(1, 20994016095), (3, 6998005365), (5, 4198803219), (9, 2332668455), (13, 1614924315), (15, 1399601073), (39, 538308105), (45, 466533691), (65, 322984863), (117, 179436035), (195, 107661621), (585, 35887207), (1987, 10565685), (5961, 3521895), (9935, 2113137), (17883, 1173965), (18061, 1162395), (25831, 812745), (29805, 704379), (54183, 387465), (77493, 270915), (89415, 234793), (90305, 232479), (129155, 162549)]