20177542371

素因数分解:

$3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{28319}}^1$

素因数の和:28504

約数の個数: 48

約数和(自身を含む): 32388111360

約数和(自身を除く): 12210568989

約数列:

[1, 3, 7, 21, 37, 49, 111, 131, 147, 259, 393, 777, 917, 1813, 2751, 4847, 5439, 6419, 14541, 19257, 28319, 33929, 84957, 101787, 198233, 237503, 594699, 712509, 1047803, 1387631, 3143409, 3709789, 4162893, 7334621, 11129367, 22003863, 25968523, 51342347, 77905569, 137262193, 154027041, 181779661, 411786579, 545338983, 960835351, 2882506053, 6725847457, 20177542371]

約数ペア:

[(1, 20177542371), (3, 6725847457), (7, 2882506053), (21, 960835351), (37, 545338983), (49, 411786579), (111, 181779661), (131, 154027041), (147, 137262193), (259, 77905569), (393, 51342347), (777, 25968523), (917, 22003863), (1813, 11129367), (2751, 7334621), (4847, 4162893), (5439, 3709789), (6419, 3143409), (14541, 1387631), (19257, 1047803), (28319, 712509), (33929, 594699), (84957, 237503), (101787, 198233)]