20194286980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3898511}}^1$

素因数の和:3898564

約数の個数: 48

約数和(自身を含む): 49776201216

約数和(自身を除く): 29581914236

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 70, 74, 140, 148, 185, 259, 370, 518, 740, 1036, 1295, 2590, 5180, 3898511, 7797022, 15594044, 19492555, 27289577, 38985110, 54579154, 77970220, 109158308, 136447885, 144244907, 272895770, 288489814, 545791540, 576979628, 721224535, 1009714349, 1442449070, 2019428698, 2884898140, 4038857396, 5048571745, 10097143490, 20194286980]

約数ペア:

[(1, 20194286980), (2, 10097143490), (4, 5048571745), (5, 4038857396), (7, 2884898140), (10, 2019428698), (14, 1442449070), (20, 1009714349), (28, 721224535), (35, 576979628), (37, 545791540), (70, 288489814), (74, 272895770), (140, 144244907), (148, 136447885), (185, 109158308), (259, 77970220), (370, 54579154), (518, 38985110), (740, 27289577), (1036, 19492555), (1295, 15594044), (2590, 7797022), (5180, 3898511)]