20055828

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{128563}}^1$

素因数の和:128583

約数の個数: 24

約数和(自身を含む): 50397088

約数和(自身を除く): 30341260

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 128563, 257126, 385689, 514252, 771378, 1542756, 1671319, 3342638, 5013957, 6685276, 10027914, 20055828]

約数ペア:

[(1, 20055828), (2, 10027914), (3, 6685276), (4, 5013957), (6, 3342638), (12, 1671319), (13, 1542756), (26, 771378), (39, 514252), (52, 385689), (78, 257126), (156, 128563)]