20513625

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4973}}^1$

素因数の和:5002

約数の個数: 32

約数和(自身を含む): 37245312

約数和(自身を除く): 16731687

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4973, 14919, 24865, 54703, 74595, 124325, 164109, 273515, 372975, 621625, 820545, 1367575, 1864875, 4102725, 6837875, 20513625]

約数ペア:

[(1, 20513625), (3, 6837875), (5, 4102725), (11, 1864875), (15, 1367575), (25, 820545), (33, 621625), (55, 372975), (75, 273515), (125, 164109), (165, 124325), (275, 74595), (375, 54703), (825, 24865), (1375, 14919), (4125, 4973)]