20173997181

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1579}}^1\times {\mathrm{3947}}^1$

素因数の和:5625

約数の個数: 32

約数和(自身を含む): 29342799360

約数和(自身を除く): 9168802179

約数列:

[1, 3, 13, 39, 83, 249, 1079, 1579, 3237, 3947, 4737, 11841, 20527, 51311, 61581, 131057, 153933, 327601, 393171, 982803, 1703741, 4258813, 5111223, 6232313, 12776439, 18696939, 81020069, 243060207, 517281979, 1551845937, 6724665727, 20173997181]

約数ペア:

[(1, 20173997181), (3, 6724665727), (13, 1551845937), (39, 517281979), (83, 243060207), (249, 81020069), (1079, 18696939), (1579, 12776439), (3237, 6232313), (3947, 5111223), (4737, 4258813), (11841, 1703741), (20527, 982803), (51311, 393171), (61581, 327601), (131057, 153933)]