16884660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21647}}^1$

素因数の和:21672

約数の個数: 48

約数和(自身を含む): 50916096

約数和(自身を除く): 34031436

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21647, 43294, 64941, 86588, 108235, 129882, 216470, 259764, 281411, 324705, 432940, 562822, 649410, 844233, 1125644, 1298820, 1407055, 1688466, 2814110, 3376932, 4221165, 5628220, 8442330, 16884660]

約数ペア:

[(1, 16884660), (2, 8442330), (3, 5628220), (4, 4221165), (5, 3376932), (6, 2814110), (10, 1688466), (12, 1407055), (13, 1298820), (15, 1125644), (20, 844233), (26, 649410), (30, 562822), (39, 432940), (52, 324705), (60, 281411), (65, 259764), (78, 216470), (130, 129882), (156, 108235), (195, 86588), (260, 64941), (390, 43294), (780, 21647)]