20475675

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{8273}}^1$

素因数の和:8300

約数の個数: 36

約数和(自身を含む): 40013064

約数和(自身を除く): 19537389

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 165, 225, 275, 495, 825, 2475, 8273, 24819, 41365, 74457, 91003, 124095, 206825, 273009, 372285, 455015, 620475, 819027, 1365045, 1861425, 2275075, 4095135, 6825225, 20475675]

約数ペア:

[(1, 20475675), (3, 6825225), (5, 4095135), (9, 2275075), (11, 1861425), (15, 1365045), (25, 819027), (33, 620475), (45, 455015), (55, 372285), (75, 273009), (99, 206825), (165, 124095), (225, 91003), (275, 74457), (495, 41365), (825, 24819), (2475, 8273)]