20563455

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{7331}}^1$

素因数の和:7367

約数の個数: 32

約数和(自身を含む): 38009088

約数和(自身を除く): 17445633

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 561, 935, 2805, 7331, 21993, 36655, 80641, 109965, 124627, 241923, 373881, 403205, 623135, 1209615, 1370897, 1869405, 4112691, 6854485, 20563455]

約数ペア:

[(1, 20563455), (3, 6854485), (5, 4112691), (11, 1869405), (15, 1370897), (17, 1209615), (33, 623135), (51, 403205), (55, 373881), (85, 241923), (165, 124627), (187, 109965), (255, 80641), (561, 36655), (935, 21993), (2805, 7331)]