20408949837

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{1553}}^1\times {\mathrm{28631}}^1$

素因数の和:30210

約数の個数: 32

約数和(自身を含む): 32035772160

約数和(自身を除く): 11626822323

約数列:

[1, 3, 9, 17, 27, 51, 153, 459, 1553, 4659, 13977, 26401, 28631, 41931, 79203, 85893, 237609, 257679, 486727, 712827, 773037, 1460181, 4380543, 13141629, 44463943, 133391829, 400175487, 755887031, 1200526461, 2267661093, 6802983279, 20408949837]

約数ペア:

[(1, 20408949837), (3, 6802983279), (9, 2267661093), (17, 1200526461), (27, 755887031), (51, 400175487), (153, 133391829), (459, 44463943), (1553, 13141629), (4659, 4380543), (13977, 1460181), (26401, 773037), (28631, 712827), (41931, 486727), (79203, 257679), (85893, 237609)]