20423624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4567}}^1$

素因数の和:4629

約数の個数: 32

約数和(自身を含む): 42208320

約数和(自身を除く): 21784696

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4472, 4567, 9134, 18268, 36536, 59371, 118742, 196381, 237484, 392762, 474968, 785524, 1571048, 2552953, 5105906, 10211812, 20423624]

約数ペア:

[(1, 20423624), (2, 10211812), (4, 5105906), (8, 2552953), (13, 1571048), (26, 785524), (43, 474968), (52, 392762), (86, 237484), (104, 196381), (172, 118742), (344, 59371), (559, 36536), (1118, 18268), (2236, 9134), (4472, 4567)]