20039916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128461}}^1$

素因数の和:128481

約数の個数: 24

約数和(自身を含む): 50357104

約数和(自身を除く): 30317188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128461, 256922, 385383, 513844, 770766, 1541532, 1669993, 3339986, 5009979, 6679972, 10019958, 20039916]

約数ペア:

[(1, 20039916), (2, 10019958), (3, 6679972), (4, 5009979), (6, 3339986), (12, 1669993), (13, 1541532), (26, 770766), (39, 513844), (52, 385383), (78, 256922), (156, 128461)]