20194677321

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{678653}}^1$

素因数の和:678785

約数の個数: 32

約数和(自身を含む): 33444069120

約数和(自身を除く): 13249391799

約数列:

[1, 3, 7, 13, 21, 39, 91, 109, 273, 327, 763, 1417, 2289, 4251, 9919, 29757, 678653, 2035959, 4750571, 8822489, 14251713, 26467467, 61757423, 73973177, 185272269, 221919531, 517812239, 961651301, 1553436717, 2884953903, 6731559107, 20194677321]

約数ペア:

[(1, 20194677321), (3, 6731559107), (7, 2884953903), (13, 1553436717), (21, 961651301), (39, 517812239), (91, 221919531), (109, 185272269), (273, 73973177), (327, 61757423), (763, 26467467), (1417, 14251713), (2289, 8822489), (4251, 4750571), (9919, 2035959), (29757, 678653)]