20993344

素因数分解:

$2^6\times {\mathrm{331}}^1\times {\mathrm{991}}^1$

素因数の和:1334

約数の個数: 28

約数和(自身を含む): 41826688

約数和(自身を除く): 20833344

約数列:

[1, 2, 4, 8, 16, 32, 64, 331, 662, 991, 1324, 1982, 2648, 3964, 5296, 7928, 10592, 15856, 21184, 31712, 63424, 328021, 656042, 1312084, 2624168, 5248336, 10496672, 20993344]

約数ペア:

[(1, 20993344), (2, 10496672), (4, 5248336), (8, 2624168), (16, 1312084), (32, 656042), (64, 328021), (331, 63424), (662, 31712), (991, 21184), (1324, 15856), (1982, 10592), (2648, 7928), (3964, 5296)]