20139273

素因数分解:

$3^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{3229}}^1$

素因数の和:3259

約数の個数: 40

約数和(自身を含む): 37519680

約数和(自身を除く): 17380407

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 63, 77, 81, 99, 189, 231, 297, 567, 693, 891, 2079, 3229, 6237, 9687, 22603, 29061, 35519, 67809, 87183, 106557, 203427, 248633, 261549, 319671, 610281, 745899, 959013, 1830843, 2237697, 2877039, 6713091, 20139273]

約数ペア:

[(1, 20139273), (3, 6713091), (7, 2877039), (9, 2237697), (11, 1830843), (21, 959013), (27, 745899), (33, 610281), (63, 319671), (77, 261549), (81, 248633), (99, 203427), (189, 106557), (231, 87183), (297, 67809), (567, 35519), (693, 29061), (891, 22603), (2079, 9687), (3229, 6237)]