20774198

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8521}}^1$

素因数の和:8599

約数の個数: 16

約数和(自身を含む): 33133536

約数和(自身を除く): 12359338

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8521, 17042, 195983, 391966, 451613, 903226, 10387099, 20774198]

約数ペア:

[(1, 20774198), (2, 10387099), (23, 903226), (46, 451613), (53, 391966), (106, 195983), (1219, 17042), (2438, 8521)]