20386377

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:930

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 12998583

約数列:

[1, 3, 9, 11, 27, 33, 83, 99, 249, 297, 747, 827, 913, 2241, 2481, 2739, 7443, 8217, 9097, 22329, 24651, 27291, 68641, 81873, 205923, 245619, 617769, 755051, 1853307, 2265153, 6795459, 20386377]

約数ペア:

[(1, 20386377), (3, 6795459), (9, 2265153), (11, 1853307), (27, 755051), (33, 617769), (83, 245619), (99, 205923), (249, 81873), (297, 68641), (747, 27291), (827, 24651), (913, 22329), (2241, 9097), (2481, 8217), (2739, 7443)]