20199451700

素因数分解:

$2^2\times 5^2\times {\mathrm{16561}}^1\times {\mathrm{12197}}^1$

素因数の和:28772

約数の個数: 36

約数和(自身を含む): 43839050892

約数和(自身を除く): 23639599192

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 12197, 16561, 24394, 33122, 48788, 60985, 66244, 82805, 121970, 165610, 243940, 304925, 331220, 414025, 609850, 828050, 1219700, 1656100, 201994517, 403989034, 807978068, 1009972585, 2019945170, 4039890340, 5049862925, 10099725850, 20199451700]

約数ペア:

[(1, 20199451700), (2, 10099725850), (4, 5049862925), (5, 4039890340), (10, 2019945170), (20, 1009972585), (25, 807978068), (50, 403989034), (100, 201994517), (12197, 1656100), (16561, 1219700), (24394, 828050), (33122, 609850), (48788, 414025), (60985, 331220), (66244, 304925), (82805, 243940), (121970, 165610)]