20152853

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 25546752

約数和(自身を除く): 5393899

約数列:

[1, 7, 23, 41, 43, 71, 161, 287, 301, 497, 943, 989, 1633, 1763, 2911, 3053, 6601, 6923, 11431, 12341, 20377, 21371, 40549, 66953, 70219, 125173, 283843, 468671, 491533, 876211, 2878979, 20152853]

約数ペア:

[(1, 20152853), (7, 2878979), (23, 876211), (41, 491533), (43, 468671), (71, 283843), (161, 125173), (287, 70219), (301, 66953), (497, 40549), (943, 21371), (989, 20377), (1633, 12341), (1763, 11431), (2911, 6923), (3053, 6601)]