20815008

素因数分解:

$2^5\times 3^1\times {\mathrm{53}}^1\times {\mathrm{4091}}^1$

素因数の和:4157

約数の個数: 48

約数和(自身を含む): 55683936

約数和(自身を除く): 34868928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 96, 106, 159, 212, 318, 424, 636, 848, 1272, 1696, 2544, 4091, 5088, 8182, 12273, 16364, 24546, 32728, 49092, 65456, 98184, 130912, 196368, 216823, 392736, 433646, 650469, 867292, 1300938, 1734584, 2601876, 3469168, 5203752, 6938336, 10407504, 20815008]

約数ペア:

[(1, 20815008), (2, 10407504), (3, 6938336), (4, 5203752), (6, 3469168), (8, 2601876), (12, 1734584), (16, 1300938), (24, 867292), (32, 650469), (48, 433646), (53, 392736), (96, 216823), (106, 196368), (159, 130912), (212, 98184), (318, 65456), (424, 49092), (636, 32728), (848, 24546), (1272, 16364), (1696, 12273), (2544, 8182), (4091, 5088)]