20194687919

素因数分解:

$7^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{439981}}^1$

素因数の和:440150

約数の個数: 16

約数和(自身を含む): 23653432320

約数和(自身を除く): 3458744401

約数列:

[1, 7, 79, 83, 553, 581, 6557, 45899, 439981, 3079867, 34758499, 36518423, 243309493, 255628961, 2884955417, 20194687919]

約数ペア:

[(1, 20194687919), (7, 2884955417), (79, 255628961), (83, 243309493), (553, 36518423), (581, 34758499), (6557, 3079867), (45899, 439981)]