20665908

素因数分解:

$2^2\times 3^3\times {\mathrm{179}}^1\times {\mathrm{1069}}^1$

素因数の和:1261

約数の個数: 48

約数和(自身を含む): 53928000

約数和(自身を除く): 33262092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 179, 358, 537, 716, 1069, 1074, 1611, 2138, 2148, 3207, 3222, 4276, 4833, 6414, 6444, 9621, 9666, 12828, 19242, 19332, 28863, 38484, 57726, 115452, 191351, 382702, 574053, 765404, 1148106, 1722159, 2296212, 3444318, 5166477, 6888636, 10332954, 20665908]

約数ペア:

[(1, 20665908), (2, 10332954), (3, 6888636), (4, 5166477), (6, 3444318), (9, 2296212), (12, 1722159), (18, 1148106), (27, 765404), (36, 574053), (54, 382702), (108, 191351), (179, 115452), (358, 57726), (537, 38484), (716, 28863), (1069, 19332), (1074, 19242), (1611, 12828), (2138, 9666), (2148, 9621), (3207, 6444), (3222, 6414), (4276, 4833)]