20199807019

素因数分解:

$7^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{307}}^1\times {\mathrm{587}}^1$

素因数の和:1207

約数の個数: 32

約数和(自身を含む): 23644938240

約数和(自身を除く): 3445131221

約数列:

[1, 7, 67, 239, 307, 469, 587, 1673, 2149, 4109, 16013, 20569, 39329, 73373, 112091, 140293, 143983, 180209, 275303, 513611, 982051, 1261463, 4915991, 9399631, 12074003, 34411937, 43069951, 65797417, 84518021, 301489657, 2885686717, 20199807019]

約数ペア:

[(1, 20199807019), (7, 2885686717), (67, 301489657), (239, 84518021), (307, 65797417), (469, 43069951), (587, 34411937), (1673, 12074003), (2149, 9399631), (4109, 4915991), (16013, 1261463), (20569, 982051), (39329, 513611), (73373, 275303), (112091, 180209), (140293, 143983)]