20954403

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{823}}^1$

素因数の和:896

約数の個数: 32

約数和(自身を含む): 33223680

約数和(自身を除く): 12269277

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 823, 943, 1107, 2469, 2829, 7407, 8487, 18929, 22221, 25461, 33743, 56787, 101229, 170361, 303687, 511083, 776089, 911061, 2328267, 6984801, 20954403]

約数ペア:

[(1, 20954403), (3, 6984801), (9, 2328267), (23, 911061), (27, 776089), (41, 511083), (69, 303687), (123, 170361), (207, 101229), (369, 56787), (621, 33743), (823, 25461), (943, 22221), (1107, 18929), (2469, 8487), (2829, 7407)]