20996937261

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{241}}^1\times {\mathrm{373}}^1$

素因数の和:875

約数の個数: 64

約数和(自身を含む): 32235329280

約数和(自身を除く): 11238392019

約数列:

[1, 3, 9, 27, 41, 123, 211, 241, 369, 373, 633, 723, 1107, 1119, 1899, 2169, 3357, 5697, 6507, 8651, 9881, 10071, 15293, 25953, 29643, 45879, 50851, 77859, 78703, 88929, 89893, 137637, 152553, 233577, 236109, 266787, 269679, 412911, 457659, 708327, 809037, 1372977, 2084891, 2124981, 2427111, 3226823, 3685613, 6254673, 9680469, 11056839, 18764019, 18967423, 29041407, 33170517, 56292057, 56902269, 87124221, 99511551, 170706807, 512120421, 777664343, 2332993029, 6998979087, 20996937261]

約数ペア:

[(1, 20996937261), (3, 6998979087), (9, 2332993029), (27, 777664343), (41, 512120421), (123, 170706807), (211, 99511551), (241, 87124221), (369, 56902269), (373, 56292057), (633, 33170517), (723, 29041407), (1107, 18967423), (1119, 18764019), (1899, 11056839), (2169, 9680469), (3357, 6254673), (5697, 3685613), (6507, 3226823), (8651, 2427111), (9881, 2124981), (10071, 2084891), (15293, 1372977), (25953, 809037), (29643, 708327), (45879, 457659), (50851, 412911), (77859, 269679), (78703, 266787), (88929, 236109), (89893, 233577), (137637, 152553)]