20105100705

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{3943}}^1\times {\mathrm{17891}}^1$

素因数の和:21861

約数の個数: 32

約数和(自身を含む): 33871703040

約数和(自身を除く): 13766602335

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 3943, 11829, 17891, 19715, 53673, 59145, 74917, 89455, 224751, 268365, 339929, 374585, 1019787, 1123755, 1699645, 5098935, 70544213, 211632639, 352721065, 1058163195, 1340340047, 4021020141, 6701700235, 20105100705]

約数ペア:

[(1, 20105100705), (3, 6701700235), (5, 4021020141), (15, 1340340047), (19, 1058163195), (57, 352721065), (95, 211632639), (285, 70544213), (3943, 5098935), (11829, 1699645), (17891, 1123755), (19715, 1019787), (53673, 374585), (59145, 339929), (74917, 268365), (89455, 224751)]