20693625

素因数分解:

$3^1\times 5^3\times {\mathrm{139}}^1\times {\mathrm{397}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 34769280

約数和(自身を除く): 14075655

約数列:

[1, 3, 5, 15, 25, 75, 125, 139, 375, 397, 417, 695, 1191, 1985, 2085, 3475, 5955, 9925, 10425, 17375, 29775, 49625, 52125, 55183, 148875, 165549, 275915, 827745, 1379575, 4138725, 6897875, 20693625]

約数ペア:

[(1, 20693625), (3, 6897875), (5, 4138725), (15, 1379575), (25, 827745), (75, 275915), (125, 165549), (139, 148875), (375, 55183), (397, 52125), (417, 49625), (695, 29775), (1191, 17375), (1985, 10425), (2085, 9925), (3475, 5955)]