20045907

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^2\times {\mathrm{367}}^1$

素因数の和:417

約数の個数: 48

約数和(自身を含む): 36152320

約数和(自身を除く): 16106413

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 119, 153, 189, 289, 357, 367, 459, 867, 1071, 1101, 2023, 2569, 2601, 3213, 3303, 6069, 6239, 7707, 7803, 9909, 18207, 18717, 23121, 43673, 54621, 56151, 69363, 106063, 131019, 168453, 318189, 393057, 742441, 954567, 1179171, 2227323, 2863701, 6681969, 20045907]

約数ペア:

[(1, 20045907), (3, 6681969), (7, 2863701), (9, 2227323), (17, 1179171), (21, 954567), (27, 742441), (51, 393057), (63, 318189), (119, 168453), (153, 131019), (189, 106063), (289, 69363), (357, 56151), (367, 54621), (459, 43673), (867, 23121), (1071, 18717), (1101, 18207), (2023, 9909), (2569, 7803), (2601, 7707), (3213, 6239), (3303, 6069)]