20182864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5107}}^1$

素因数の和:5147

約数の個数: 40

約数和(自身を含む): 44337440

約数和(自身を除く): 24154576

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 5107, 10214, 20428, 40856, 66391, 81712, 97033, 132782, 194066, 265564, 388132, 531128, 776264, 1062256, 1261429, 1552528, 2522858, 5045716, 10091432, 20182864]

約数ペア:

[(1, 20182864), (2, 10091432), (4, 5045716), (8, 2522858), (13, 1552528), (16, 1261429), (19, 1062256), (26, 776264), (38, 531128), (52, 388132), (76, 265564), (104, 194066), (152, 132782), (208, 97033), (247, 81712), (304, 66391), (494, 40856), (988, 20428), (1976, 10214), (3952, 5107)]