20780095

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{347}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 9287105

約数列:

[1, 5, 7, 29, 35, 59, 145, 203, 295, 347, 413, 1015, 1711, 1735, 2065, 2429, 8555, 10063, 11977, 12145, 20473, 50315, 59885, 70441, 102365, 143311, 352205, 593717, 716555, 2968585, 4156019, 20780095]

約数ペア:

[(1, 20780095), (5, 4156019), (7, 2968585), (29, 716555), (35, 593717), (59, 352205), (145, 143311), (203, 102365), (295, 70441), (347, 59885), (413, 50315), (1015, 20473), (1711, 12145), (1735, 11977), (2065, 10063), (2429, 8555)]