20155718105

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{443}}^1\times {\mathrm{2693}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 25262392320

約数和(自身を除く): 5106674215

約数列:

[1, 5, 31, 109, 155, 443, 545, 2215, 2693, 3379, 13465, 13733, 16895, 48287, 68665, 83483, 241435, 293537, 417415, 1192999, 1467685, 1496897, 5964995, 7484485, 9099647, 36982969, 45498235, 130036891, 184914845, 650184455, 4031143621, 20155718105]

約数ペア:

[(1, 20155718105), (5, 4031143621), (31, 650184455), (109, 184914845), (155, 130036891), (443, 45498235), (545, 36982969), (2215, 9099647), (2693, 7484485), (3379, 5964995), (13465, 1496897), (13733, 1467685), (16895, 1192999), (48287, 417415), (68665, 293537), (83483, 241435)]