20979882

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{15137}}^1$

素因数の和:15163

約数の個数: 48

約数和(自身を含む): 56676672

約数和(自身を除く): 35696790

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 126, 154, 198, 231, 462, 693, 1386, 15137, 30274, 45411, 90822, 105959, 136233, 166507, 211918, 272466, 317877, 333014, 499521, 635754, 953631, 999042, 1165549, 1498563, 1907262, 2331098, 2997126, 3496647, 6993294, 10489941, 20979882]

約数ペア:

[(1, 20979882), (2, 10489941), (3, 6993294), (6, 3496647), (7, 2997126), (9, 2331098), (11, 1907262), (14, 1498563), (18, 1165549), (21, 999042), (22, 953631), (33, 635754), (42, 499521), (63, 333014), (66, 317877), (77, 272466), (99, 211918), (126, 166507), (154, 136233), (198, 105959), (231, 90822), (462, 45411), (693, 30274), (1386, 15137)]