20756470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4861}}^1$

素因数の和:4936

約数の個数: 32

約数和(自身を含む): 43407936

約数和(自身を除く): 22651466

約数列:

[1, 2, 5, 7, 10, 14, 35, 61, 70, 122, 305, 427, 610, 854, 2135, 4270, 4861, 9722, 24305, 34027, 48610, 68054, 170135, 296521, 340270, 593042, 1482605, 2075647, 2965210, 4151294, 10378235, 20756470]

約数ペア:

[(1, 20756470), (2, 10378235), (5, 4151294), (7, 2965210), (10, 2075647), (14, 1482605), (35, 593042), (61, 340270), (70, 296521), (122, 170135), (305, 68054), (427, 48610), (610, 34027), (854, 24305), (2135, 9722), (4270, 4861)]