20994228

素因数分解:

$2^2\times 3^5\times {\mathrm{21599}}^1$

素因数の和:21618

約数の個数: 36

約数和(自身を含む): 55036800

約数和(自身を除く): 34042572

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 21599, 43198, 64797, 86396, 129594, 194391, 259188, 388782, 583173, 777564, 1166346, 1749519, 2332692, 3499038, 5248557, 6998076, 10497114, 20994228]

約数ペア:

[(1, 20994228), (2, 10497114), (3, 6998076), (4, 5248557), (6, 3499038), (9, 2332692), (12, 1749519), (18, 1166346), (27, 777564), (36, 583173), (54, 388782), (81, 259188), (108, 194391), (162, 129594), (243, 86396), (324, 64797), (486, 43198), (972, 21599)]