20888973045

素因数分解:

$3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{467}}^1\times {\mathrm{21149}}^1$

素因数の和:21674

約数の個数: 48

約数和(自身を含む): 37058860800

約数和(自身を除く): 16169887755

約数列:

[1, 3, 5, 9, 15, 45, 47, 141, 235, 423, 467, 705, 1401, 2115, 2335, 4203, 7005, 21015, 21149, 21949, 63447, 65847, 105745, 109745, 190341, 197541, 317235, 329235, 951705, 987705, 994003, 2982009, 4970015, 8946027, 9876583, 14910045, 29629749, 44730135, 49382915, 88889247, 148148745, 444446235, 464199401, 1392598203, 2320997005, 4177794609, 6962991015, 20888973045]

約数ペア:

[(1, 20888973045), (3, 6962991015), (5, 4177794609), (9, 2320997005), (15, 1392598203), (45, 464199401), (47, 444446235), (141, 148148745), (235, 88889247), (423, 49382915), (467, 44730135), (705, 29629749), (1401, 14910045), (2115, 9876583), (2335, 8946027), (4203, 4970015), (7005, 2982009), (21015, 994003), (21149, 987705), (21949, 951705), (63447, 329235), (65847, 317235), (105745, 197541), (109745, 190341)]