20010627

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{461}}^1$

素因数の和:540

約数の個数: 48

約数和(自身を含む): 36324288

約数和(自身を除く): 16313661

約数列:

[1, 3, 7, 9, 13, 21, 39, 53, 63, 91, 117, 159, 273, 371, 461, 477, 689, 819, 1113, 1383, 2067, 3227, 3339, 4149, 4823, 5993, 6201, 9681, 14469, 17979, 24433, 29043, 41951, 43407, 53937, 73299, 125853, 171031, 219897, 317629, 377559, 513093, 952887, 1539279, 2223403, 2858661, 6670209, 20010627]

約数ペア:

[(1, 20010627), (3, 6670209), (7, 2858661), (9, 2223403), (13, 1539279), (21, 952887), (39, 513093), (53, 377559), (63, 317629), (91, 219897), (117, 171031), (159, 125853), (273, 73299), (371, 53937), (461, 43407), (477, 41951), (689, 29043), (819, 24433), (1113, 17979), (1383, 14469), (2067, 9681), (3227, 6201), (3339, 5993), (4149, 4823)]