20793215745

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{82351}}^1$

素因数の和:82574

約数の個数: 48

約数和(自身を含む): 37410207744

約数和(自身を除く): 16616991999

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 181, 279, 465, 543, 905, 1395, 1629, 2715, 5611, 8145, 16833, 28055, 50499, 82351, 84165, 247053, 252495, 411755, 741159, 1235265, 2552881, 3705795, 7658643, 12764405, 14905531, 22975929, 38293215, 44716593, 74527655, 114879645, 134149779, 223582965, 462071461, 670748895, 1386214383, 2310357305, 4158643149, 6931071915, 20793215745]

約数ペア:

[(1, 20793215745), (3, 6931071915), (5, 4158643149), (9, 2310357305), (15, 1386214383), (31, 670748895), (45, 462071461), (93, 223582965), (155, 134149779), (181, 114879645), (279, 74527655), (465, 44716593), (543, 38293215), (905, 22975929), (1395, 14905531), (1629, 12764405), (2715, 7658643), (5611, 3705795), (8145, 2552881), (16833, 1235265), (28055, 741159), (50499, 411755), (82351, 252495), (84165, 247053)]