20145679952

素因数分解:

$2^4\times {\mathrm{2843}}^1\times {\mathrm{442879}}^1$

素因数の和:445730

約数の個数: 20

約数和(自身を含む): 39046072320

約数和(自身を除く): 18900392368

約数列:

[1, 2, 4, 8, 16, 2843, 5686, 11372, 22744, 45488, 442879, 885758, 1771516, 3543032, 7086064, 1259104997, 2518209994, 5036419988, 10072839976, 20145679952]

約数ペア:

[(1, 20145679952), (2, 10072839976), (4, 5036419988), (8, 2518209994), (16, 1259104997), (2843, 7086064), (5686, 3543032), (11372, 1771516), (22744, 885758), (45488, 442879)]