20340375

素因数分解:

$3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{4931}}^1$

素因数の和:4960

約数の個数: 32

約数和(自身を含む): 36930816

約数和(自身を除く): 16590441

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 125, 165, 275, 375, 825, 1375, 4125, 4931, 14793, 24655, 54241, 73965, 123275, 162723, 271205, 369825, 616375, 813615, 1356025, 1849125, 4068075, 6780125, 20340375]

約数ペア:

[(1, 20340375), (3, 6780125), (5, 4068075), (11, 1849125), (15, 1356025), (25, 813615), (33, 616375), (55, 369825), (75, 271205), (125, 162723), (165, 123275), (275, 73965), (375, 54241), (825, 24655), (1375, 14793), (4125, 4931)]