20315064980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{145107607}}^1$

素因数の和:145107623

約数の個数: 24

約数和(自身を含む): 48756156288

約数和(自身を除く): 28441091308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 145107607, 290215214, 580430428, 725538035, 1015753249, 1451076070, 2031506498, 2902152140, 4063012996, 5078766245, 10157532490, 20315064980]

約数ペア:

[(1, 20315064980), (2, 10157532490), (4, 5078766245), (5, 4063012996), (7, 2902152140), (10, 2031506498), (14, 1451076070), (20, 1015753249), (28, 725538035), (35, 580430428), (70, 290215214), (140, 145107607)]