20132798427

素因数分解:

$3^4\times 7^1\times {\mathrm{2269}}^1\times {\mathrm{15649}}^1$

素因数の和:17937

約数の個数: 40

約数和(自身を含む): 34388684000

約数和(自身を除く): 14255885573

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 2269, 6807, 15649, 15883, 20421, 46947, 47649, 61263, 109543, 140841, 142947, 183789, 328629, 422523, 428841, 985887, 1267569, 1286523, 2957661, 8872983, 35507581, 106522743, 248553067, 319568229, 745659201, 958704687, 2236977603, 2876114061, 6710932809, 20132798427]

約数ペア:

[(1, 20132798427), (3, 6710932809), (7, 2876114061), (9, 2236977603), (21, 958704687), (27, 745659201), (63, 319568229), (81, 248553067), (189, 106522743), (567, 35507581), (2269, 8872983), (6807, 2957661), (15649, 1286523), (15883, 1267569), (20421, 985887), (46947, 428841), (47649, 422523), (61263, 328629), (109543, 183789), (140841, 142947)]