20411349

素因数分解:

$3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1$

素因数の和:329

約数の個数: 32

約数和(自身を含む): 32117760

約数和(自身を除く): 11706411

約数列:

[1, 3, 7, 21, 67, 89, 163, 201, 267, 469, 489, 623, 1141, 1407, 1869, 3423, 5963, 10921, 14507, 17889, 32763, 41741, 43521, 76447, 101549, 125223, 229341, 304647, 971969, 2915907, 6803783, 20411349]

約数ペア:

[(1, 20411349), (3, 6803783), (7, 2915907), (21, 971969), (67, 304647), (89, 229341), (163, 125223), (201, 101549), (267, 76447), (469, 43521), (489, 41741), (623, 32763), (1141, 17889), (1407, 14507), (1869, 10921), (3423, 5963)]