20281104

素因数分解:

$2^4\times 3^4\times {\mathrm{15649}}^1$

素因数の和:15669

約数の個数: 50

約数和(自身を含む): 58703150

約数和(自身を除く): 38422046

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 48, 54, 72, 81, 108, 144, 162, 216, 324, 432, 648, 1296, 15649, 31298, 46947, 62596, 93894, 125192, 140841, 187788, 250384, 281682, 375576, 422523, 563364, 751152, 845046, 1126728, 1267569, 1690092, 2253456, 2535138, 3380184, 5070276, 6760368, 10140552, 20281104]

約数ペア:

[(1, 20281104), (2, 10140552), (3, 6760368), (4, 5070276), (6, 3380184), (8, 2535138), (9, 2253456), (12, 1690092), (16, 1267569), (18, 1126728), (24, 845046), (27, 751152), (36, 563364), (48, 422523), (54, 375576), (72, 281682), (81, 250384), (108, 187788), (144, 140841), (162, 125192), (216, 93894), (324, 62596), (432, 46947), (648, 31298), (1296, 15649)]