20383839

素因数分解:

$3^3\times 7^1\times {\mathrm{29}}^1\times {\mathrm{3719}}^1$

素因数の和:3764

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 15328161

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 87, 189, 203, 261, 609, 783, 1827, 3719, 5481, 11157, 26033, 33471, 78099, 100413, 107851, 234297, 323553, 702891, 754957, 970659, 2264871, 2911977, 6794613, 20383839]

約数ペア:

[(1, 20383839), (3, 6794613), (7, 2911977), (9, 2264871), (21, 970659), (27, 754957), (29, 702891), (63, 323553), (87, 234297), (189, 107851), (203, 100413), (261, 78099), (609, 33471), (783, 26033), (1827, 11157), (3719, 5481)]