20324871

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{3469}}^1$

素因数の和:3516

約数の個数: 32

約数和(自身を含む): 35532800

約数和(自身を除く): 15207929

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 93, 189, 217, 279, 651, 837, 1953, 3469, 5859, 10407, 24283, 31221, 72849, 93663, 107539, 218547, 322617, 655641, 752773, 967851, 2258319, 2903553, 6774957, 20324871]

約数ペア:

[(1, 20324871), (3, 6774957), (7, 2903553), (9, 2258319), (21, 967851), (27, 752773), (31, 655641), (63, 322617), (93, 218547), (189, 107539), (217, 93663), (279, 72849), (651, 31221), (837, 24283), (1953, 10407), (3469, 5859)]