20161121136

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{609613}}^1$

素因数の和:609690

約数の個数: 80

約数和(自身を含む): 57147654816

約数和(自身を除く): 36986533680

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 53, 78, 104, 106, 156, 159, 208, 212, 312, 318, 424, 624, 636, 689, 848, 1272, 1378, 2067, 2544, 2756, 4134, 5512, 8268, 11024, 16536, 33072, 609613, 1219226, 1828839, 2438452, 3657678, 4876904, 7315356, 7924969, 9753808, 14630712, 15849938, 23774907, 29261424, 31699876, 32309489, 47549814, 63399752, 64618978, 95099628, 96928467, 126799504, 129237956, 190199256, 193856934, 258475912, 380398512, 387713868, 420023357, 516951824, 775427736, 840046714, 1260070071, 1550855472, 1680093428, 2520140142, 3360186856, 5040280284, 6720373712, 10080560568, 20161121136]

約数ペア:

[(1, 20161121136), (2, 10080560568), (3, 6720373712), (4, 5040280284), (6, 3360186856), (8, 2520140142), (12, 1680093428), (13, 1550855472), (16, 1260070071), (24, 840046714), (26, 775427736), (39, 516951824), (48, 420023357), (52, 387713868), (53, 380398512), (78, 258475912), (104, 193856934), (106, 190199256), (156, 129237956), (159, 126799504), (208, 96928467), (212, 95099628), (312, 64618978), (318, 63399752), (424, 47549814), (624, 32309489), (636, 31699876), (689, 29261424), (848, 23774907), (1272, 15849938), (1378, 14630712), (2067, 9753808), (2544, 7924969), (2756, 7315356), (4134, 4876904), (5512, 3657678), (8268, 2438452), (11024, 1828839), (16536, 1219226), (33072, 609613)]