20191857621

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{389}}^1\times {\mathrm{4021}}^1$

素因数の和:4757

約数の個数: 32

約数和(自身を含む): 29163039360

約数和(自身を除く): 8971181739

約数列:

[1, 3, 13, 39, 331, 389, 993, 1167, 4021, 4303, 5057, 12063, 12909, 15171, 52273, 128759, 156819, 386277, 1330951, 1564169, 1673867, 3992853, 4692507, 5021601, 17302363, 20334197, 51907089, 61002591, 517739939, 1553219817, 6730619207, 20191857621]

約数ペア:

[(1, 20191857621), (3, 6730619207), (13, 1553219817), (39, 517739939), (331, 61002591), (389, 51907089), (993, 20334197), (1167, 17302363), (4021, 5021601), (4303, 4692507), (5057, 3992853), (12063, 1673867), (12909, 1564169), (15171, 1330951), (52273, 386277), (128759, 156819)]