20580363

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1973}}^1$

素因数の和:2059

約数の個数: 24

約数和(自身を含む): 31820880

約数和(自身を除く): 11240517

約数列:

[1, 3, 9, 19, 57, 61, 171, 183, 549, 1159, 1973, 3477, 5919, 10431, 17757, 37487, 112461, 120353, 337383, 361059, 1083177, 2286707, 6860121, 20580363]

約数ペア:

[(1, 20580363), (3, 6860121), (9, 2286707), (19, 1083177), (57, 361059), (61, 337383), (171, 120353), (183, 112461), (549, 37487), (1159, 17757), (1973, 10431), (3477, 5919)]