20128368

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{32257}}^1$

素因数の和:32281

約数の個数: 40

約数和(自身を含む): 55999888

約数和(自身を除く): 35871520

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 32257, 64514, 96771, 129028, 193542, 258056, 387084, 419341, 516112, 774168, 838682, 1258023, 1548336, 1677364, 2516046, 3354728, 5032092, 6709456, 10064184, 20128368]

約数ペア:

[(1, 20128368), (2, 10064184), (3, 6709456), (4, 5032092), (6, 3354728), (8, 2516046), (12, 1677364), (13, 1548336), (16, 1258023), (24, 838682), (26, 774168), (39, 516112), (48, 419341), (52, 387084), (78, 258056), (104, 193542), (156, 129028), (208, 96771), (312, 64514), (624, 32257)]