20555115

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1201}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 37848576

約数和(自身を除く): 17293461

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 163, 489, 815, 1141, 1201, 2445, 3423, 3603, 5705, 6005, 8407, 17115, 18015, 25221, 42035, 126105, 195763, 587289, 978815, 1370341, 2936445, 4111023, 6851705, 20555115]

約数ペア:

[(1, 20555115), (3, 6851705), (5, 4111023), (7, 2936445), (15, 1370341), (21, 978815), (35, 587289), (105, 195763), (163, 126105), (489, 42035), (815, 25221), (1141, 18015), (1201, 17115), (2445, 8407), (3423, 6005), (3603, 5705)]