20238260

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{3907}}^1$

素因数の和:3960

約数の個数: 48

約数和(自身を含む): 49897344

約数和(自身を除く): 29659084

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, 3907, 5180, 7814, 15628, 19535, 27349, 39070, 54698, 78140, 109396, 136745, 144559, 273490, 289118, 546980, 578236, 722795, 1011913, 1445590, 2023826, 2891180, 4047652, 5059565, 10119130, 20238260]

約数ペア:

[(1, 20238260), (2, 10119130), (4, 5059565), (5, 4047652), (7, 2891180), (10, 2023826), (14, 1445590), (20, 1011913), (28, 722795), (35, 578236), (37, 546980), (70, 289118), (74, 273490), (140, 144559), (148, 136745), (185, 109396), (259, 78140), (370, 54698), (518, 39070), (740, 27349), (1036, 19535), (1295, 15628), (2590, 7814), (3907, 5180)]