20157484809

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{541999}}^1$

素因数の和:542050

約数の個数: 48

約数和(自身を含む): 35589888000

約数和(自身を除く): 15432403191

約数列:

[1, 3, 7, 11, 21, 23, 33, 49, 69, 77, 147, 161, 231, 253, 483, 539, 759, 1127, 1617, 1771, 3381, 5313, 12397, 37191, 541999, 1625997, 3793993, 5961989, 11381979, 12465977, 17885967, 26557951, 37397931, 41733923, 79673853, 87261839, 125201769, 137125747, 261785517, 292137461, 411377241, 610832873, 876412383, 959880229, 1832498619, 2879640687, 6719161603, 20157484809]

約数ペア:

[(1, 20157484809), (3, 6719161603), (7, 2879640687), (11, 1832498619), (21, 959880229), (23, 876412383), (33, 610832873), (49, 411377241), (69, 292137461), (77, 261785517), (147, 137125747), (161, 125201769), (231, 87261839), (253, 79673853), (483, 41733923), (539, 37397931), (759, 26557951), (1127, 17885967), (1617, 12465977), (1771, 11381979), (3381, 5961989), (5313, 3793993), (12397, 1625997), (37191, 541999)]