20187128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2659}}^1$

素因数の和:2751

約数の個数: 32

約数和(自身を含む): 41336400

約数和(自身を除く): 21149272

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 2659, 3796, 5318, 7592, 10636, 21272, 34567, 69134, 138268, 194107, 276536, 388214, 776428, 1552856, 2523391, 5046782, 10093564, 20187128]

約数ペア:

[(1, 20187128), (2, 10093564), (4, 5046782), (8, 2523391), (13, 1552856), (26, 776428), (52, 388214), (73, 276536), (104, 194107), (146, 138268), (292, 69134), (584, 34567), (949, 21272), (1898, 10636), (2659, 7592), (3796, 5318)]