20459902

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{4229}}^1$

素因数の和:4331

約数の個数: 16

約数和(自身を含む): 31978800

約数和(自身を除く): 11518898

約数列:

[1, 2, 41, 59, 82, 118, 2419, 4229, 4838, 8458, 173389, 249511, 346778, 499022, 10229951, 20459902]

約数ペア:

[(1, 20459902), (2, 10229951), (41, 499022), (59, 346778), (82, 249511), (118, 173389), (2419, 8458), (4229, 4838)]