20111253

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{7507}}^1$

素因数の和:7576

約数の個数: 16

約数和(自身を含む): 28830720

約数和(自身を除く): 8719467

約数列:

[1, 3, 19, 47, 57, 141, 893, 2679, 7507, 22521, 142633, 352829, 427899, 1058487, 6703751, 20111253]

約数ペア:

[(1, 20111253), (3, 6703751), (19, 1058487), (47, 427899), (57, 352829), (141, 142633), (893, 22521), (2679, 7507)]