20488875

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4967}}^1$

素因数の和:4996

約数の個数: 32

約数和(自身を含む): 37200384

約数和(自身を除く): 16711509

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4967, 14901, 24835, 54637, 74505, 124175, 163911, 273185, 372525, 620875, 819555, 1365925, 1862625, 4097775, 6829625, 20488875]

約数ペア:

[(1, 20488875), (3, 6829625), (5, 4097775), (11, 1862625), (15, 1365925), (25, 819555), (33, 620875), (55, 372525), (75, 273185), (125, 163911), (165, 124175), (275, 74505), (375, 54637), (825, 24835), (1375, 14901), (4125, 4967)]