20657202687

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{36781}}^1$

素因数の和:36893

約数の個数: 64

約数和(自身を含む): 35028234240

約数和(自身を除く): 14371031553

約数列:

[1, 3, 9, 11, 27, 31, 33, 61, 93, 99, 183, 279, 297, 341, 549, 671, 837, 1023, 1647, 1891, 2013, 3069, 5673, 6039, 9207, 17019, 18117, 20801, 36781, 51057, 62403, 110343, 187209, 331029, 404591, 561627, 993087, 1140211, 1213773, 2243641, 3420633, 3641319, 6730923, 10261899, 10923957, 12542321, 20192769, 24680051, 30785697, 37626963, 60578307, 69552871, 74040153, 112880889, 208658613, 222120459, 338642667, 625975839, 666361377, 765081581, 1877927517, 2295244743, 6885734229, 20657202687]

約数ペア:

[(1, 20657202687), (3, 6885734229), (9, 2295244743), (11, 1877927517), (27, 765081581), (31, 666361377), (33, 625975839), (61, 338642667), (93, 222120459), (99, 208658613), (183, 112880889), (279, 74040153), (297, 69552871), (341, 60578307), (549, 37626963), (671, 30785697), (837, 24680051), (1023, 20192769), (1647, 12542321), (1891, 10923957), (2013, 10261899), (3069, 6730923), (5673, 3641319), (6039, 3420633), (9207, 2243641), (17019, 1213773), (18117, 1140211), (20801, 993087), (36781, 561627), (51057, 404591), (62403, 331029), (110343, 187209)]