20121399646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{653}}^1\times {\mathrm{3541}}^1$

素因数の和:4444

約数の個数: 32

約数和(自身を含む): 31967258400

約数和(自身を除く): 11845858754

約数列:

[1, 2, 19, 38, 229, 458, 653, 1306, 3541, 4351, 7082, 8702, 12407, 24814, 67279, 134558, 149537, 299074, 810889, 1621778, 2312273, 2841203, 4624546, 5682406, 15406891, 30813782, 43933187, 87866374, 529510517, 1059021034, 10060699823, 20121399646]

約数ペア:

[(1, 20121399646), (2, 10060699823), (19, 1059021034), (38, 529510517), (229, 87866374), (458, 43933187), (653, 30813782), (1306, 15406891), (3541, 5682406), (4351, 4624546), (7082, 2841203), (8702, 2312273), (12407, 1621778), (24814, 810889), (67279, 299074), (134558, 149537)]