20145270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{4831}}^1$

素因数の和:4980

約数の個数: 32

約数和(自身を含む): 48706560

約数和(自身を除く): 28561290

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 139, 278, 417, 695, 834, 1390, 2085, 4170, 4831, 9662, 14493, 24155, 28986, 48310, 72465, 144930, 671509, 1343018, 2014527, 3357545, 4029054, 6715090, 10072635, 20145270]

約数ペア:

[(1, 20145270), (2, 10072635), (3, 6715090), (5, 4029054), (6, 3357545), (10, 2014527), (15, 1343018), (30, 671509), (139, 144930), (278, 72465), (417, 48310), (695, 28986), (834, 24155), (1390, 14493), (2085, 9662), (4170, 4831)]