20797332579

素因数分解:

$3^3\times {\mathrm{571}}^1\times {\mathrm{1348987}}^1$

素因数の和:1349567

約数の個数: 16

約数和(自身を含む): 30864845440

約数和(自身を除く): 10067512861

約数列:

[1, 3, 9, 27, 571, 1713, 5139, 15417, 1348987, 4046961, 12140883, 36422649, 770271577, 2310814731, 6932444193, 20797332579]

約数ペア:

[(1, 20797332579), (3, 6932444193), (9, 2310814731), (27, 770271577), (571, 36422649), (1713, 12140883), (5139, 4046961), (15417, 1348987)]