20393055

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7681}}^1$

素因数の和:7751

約数の個数: 24

約数和(自身を含む): 35951760

約数和(自身を除く): 15558705

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7681, 23043, 38405, 69129, 115215, 345645, 453179, 1359537, 2265895, 4078611, 6797685, 20393055]

約数ペア:

[(1, 20393055), (3, 6797685), (5, 4078611), (9, 2265895), (15, 1359537), (45, 453179), (59, 345645), (177, 115215), (295, 69129), (531, 38405), (885, 23043), (2655, 7681)]