20091789562

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{571}}^1\times {\mathrm{18539}}^1$

素因数の和:19198

約数の個数: 32

約数和(自身を含む): 32959967040

約数和(自身を除く): 12868177478

約数列:

[1, 2, 13, 26, 73, 146, 571, 949, 1142, 1898, 7423, 14846, 18539, 37078, 41683, 83366, 241007, 482014, 541879, 1083758, 1353347, 2706694, 10585769, 17593511, 21171538, 35187022, 137614997, 275229994, 772761137, 1545522274, 10045894781, 20091789562]

約数ペア:

[(1, 20091789562), (2, 10045894781), (13, 1545522274), (26, 772761137), (73, 275229994), (146, 137614997), (571, 35187022), (949, 21171538), (1142, 17593511), (1898, 10585769), (7423, 2706694), (14846, 1353347), (18539, 1083758), (37078, 541879), (41683, 482014), (83366, 241007)]