20180784

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32341}}^1$

素因数の和:32365

約数の個数: 40

約数和(自身を含む): 56145712

約数和(自身を除く): 35964928

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32341, 64682, 97023, 129364, 194046, 258728, 388092, 420433, 517456, 776184, 840866, 1261299, 1552368, 1681732, 2522598, 3363464, 5045196, 6726928, 10090392, 20180784]

約数ペア:

[(1, 20180784), (2, 10090392), (3, 6726928), (4, 5045196), (6, 3363464), (8, 2522598), (12, 1681732), (13, 1552368), (16, 1261299), (24, 840866), (26, 776184), (39, 517456), (48, 420433), (52, 388092), (78, 258728), (104, 194046), (156, 129364), (208, 97023), (312, 64682), (624, 32341)]