20139587979

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{173141}}^1$

素因数の和:173371

約数の個数: 32

約数和(自身を含む): 31913533440

約数和(自身を除く): 11773945461

約数列:

[1, 3, 7, 21, 29, 87, 191, 203, 573, 609, 1337, 4011, 5539, 16617, 38773, 116319, 173141, 519423, 1211987, 3635961, 5021089, 15063267, 33069931, 35147623, 99209793, 105442869, 231489517, 694468551, 959027999, 2877083997, 6713195993, 20139587979]

約数ペア:

[(1, 20139587979), (3, 6713195993), (7, 2877083997), (21, 959027999), (29, 694468551), (87, 231489517), (191, 105442869), (203, 99209793), (573, 35147623), (609, 33069931), (1337, 15063267), (4011, 5021089), (5539, 3635961), (16617, 1211987), (38773, 519423), (116319, 173141)]