20519410

素因数分解:

$2^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{6473}}^1$

素因数の和:6797

約数の個数: 16

約数和(自身を含む): 37057176

約数和(自身を除く): 16537766

約数列:

[1, 2, 5, 10, 317, 634, 1585, 3170, 6473, 12946, 32365, 64730, 2051941, 4103882, 10259705, 20519410]

約数ペア:

[(1, 20519410), (2, 10259705), (5, 4103882), (10, 2051941), (317, 64730), (634, 32365), (1585, 12946), (3170, 6473)]