20228481

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8233}}^1$

素因数の和:8262

約数の個数: 32

約数和(自身を含む): 36888320

約数和(自身を除く): 16659839

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 189, 273, 351, 819, 2457, 8233, 24699, 57631, 74097, 107029, 172893, 222291, 321087, 518679, 749203, 963261, 1556037, 2247609, 2889783, 6742827, 20228481]

約数ペア:

[(1, 20228481), (3, 6742827), (7, 2889783), (9, 2247609), (13, 1556037), (21, 963261), (27, 749203), (39, 518679), (63, 321087), (91, 222291), (117, 172893), (189, 107029), (273, 74097), (351, 57631), (819, 24699), (2457, 8233)]