20454645

素因数分解:

$3^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2063}}^1$

素因数の和:2732

約数の個数: 16

約数和(自身を含む): 32792832

約数和(自身を除く): 12338187

約数列:

[1, 3, 5, 15, 661, 1983, 2063, 3305, 6189, 9915, 10315, 30945, 1363643, 4090929, 6818215, 20454645]

約数ペア:

[(1, 20454645), (3, 6818215), (5, 4090929), (15, 1363643), (661, 30945), (1983, 10315), (2063, 9915), (3305, 6189)]