20687535

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13931}}^1$

素因数の和:13956

約数の個数: 32

約数和(自身を含む): 40124160

約数和(自身を除く): 19436625

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 495, 1485, 13931, 41793, 69655, 125379, 153241, 208965, 376137, 459723, 626895, 766205, 1379169, 1880685, 2298615, 4137507, 6895845, 20687535]

約数ペア:

[(1, 20687535), (3, 6895845), (5, 4137507), (9, 2298615), (11, 1880685), (15, 1379169), (27, 766205), (33, 626895), (45, 459723), (55, 376137), (99, 208965), (135, 153241), (165, 125379), (297, 69655), (495, 41793), (1485, 13931)]