20321472

素因数分解:

$2^6\times 3^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2065

約数の個数: 56

約数和(自身を含む): 54809136

約数和(自身を除く): 34487664

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 159, 192, 212, 318, 424, 636, 848, 1272, 1696, 1997, 2544, 3392, 3994, 5088, 5991, 7988, 10176, 11982, 15976, 23964, 31952, 47928, 63904, 95856, 105841, 127808, 191712, 211682, 317523, 383424, 423364, 635046, 846728, 1270092, 1693456, 2540184, 3386912, 5080368, 6773824, 10160736, 20321472]

約数ペア:

[(1, 20321472), (2, 10160736), (3, 6773824), (4, 5080368), (6, 3386912), (8, 2540184), (12, 1693456), (16, 1270092), (24, 846728), (32, 635046), (48, 423364), (53, 383424), (64, 317523), (96, 211682), (106, 191712), (159, 127808), (192, 105841), (212, 95856), (318, 63904), (424, 47928), (636, 31952), (848, 23964), (1272, 15976), (1696, 11982), (1997, 10176), (2544, 7988), (3392, 5991), (3994, 5088)]