20641125

素因数分解:

$3^1\times 5^3\times {\mathrm{19}}^1\times {\mathrm{2897}}^1$

素因数の和:2934

約数の個数: 32

約数和(自身を含む): 36167040

約数和(自身を除く): 15525915

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 125, 285, 375, 475, 1425, 2375, 2897, 7125, 8691, 14485, 43455, 55043, 72425, 165129, 217275, 275215, 362125, 825645, 1086375, 1376075, 4128225, 6880375, 20641125]

約数ペア:

[(1, 20641125), (3, 6880375), (5, 4128225), (15, 1376075), (19, 1086375), (25, 825645), (57, 362125), (75, 275215), (95, 217275), (125, 165129), (285, 72425), (375, 55043), (475, 43455), (1425, 14485), (2375, 8691), (2897, 7125)]