20109570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51563}}^1$

素因数の和:51586

約数の個数: 32

約数和(自身を含む): 51976512

約数和(自身を除く): 31866942

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 51563, 103126, 154689, 257815, 309378, 515630, 670319, 773445, 1340638, 1546890, 2010957, 3351595, 4021914, 6703190, 10054785, 20109570]

約数ペア:

[(1, 20109570), (2, 10054785), (3, 6703190), (5, 4021914), (6, 3351595), (10, 2010957), (13, 1546890), (15, 1340638), (26, 773445), (30, 670319), (39, 515630), (65, 309378), (78, 257815), (130, 154689), (195, 103126), (390, 51563)]