20555844687

素因数分解:

$3^3\times 7^1\times {\mathrm{743}}^1\times {\mathrm{146381}}^1$

素因数の和:147140

約数の個数: 32

約数和(自身を含む): 34850626560

約数和(自身を除く): 14294781873

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 743, 2229, 5201, 6687, 15603, 20061, 46809, 140427, 146381, 439143, 1024667, 1317429, 3074001, 3952287, 9222003, 27666009, 108761083, 326283249, 761327581, 978849747, 2283982743, 2936549241, 6851948229, 20555844687]

約数ペア:

[(1, 20555844687), (3, 6851948229), (7, 2936549241), (9, 2283982743), (21, 978849747), (27, 761327581), (63, 326283249), (189, 108761083), (743, 27666009), (2229, 9222003), (5201, 3952287), (6687, 3074001), (15603, 1317429), (20061, 1024667), (46809, 439143), (140427, 146381)]