20120591997

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{331}}^1\times {\mathrm{3469}}^1$

素因数の和:3879

約数の個数: 64

約数和(自身を含む): 33178752000

約数和(自身を除く): 13058160003

約数列:

[1, 3, 9, 11, 27, 33, 59, 99, 177, 297, 331, 531, 649, 993, 1593, 1947, 2979, 3469, 3641, 5841, 8937, 10407, 10923, 17523, 19529, 31221, 32769, 38159, 58587, 93663, 98307, 114477, 175761, 204671, 214819, 343431, 527283, 614013, 644457, 1030293, 1148239, 1842039, 1933371, 2251381, 3444717, 5526117, 5800113, 6754143, 10334151, 12630629, 20262429, 31002453, 37891887, 60787287, 67746101, 113675661, 203238303, 341026983, 609714909, 745207111, 1829144727, 2235621333, 6706863999, 20120591997]

約数ペア:

[(1, 20120591997), (3, 6706863999), (9, 2235621333), (11, 1829144727), (27, 745207111), (33, 609714909), (59, 341026983), (99, 203238303), (177, 113675661), (297, 67746101), (331, 60787287), (531, 37891887), (649, 31002453), (993, 20262429), (1593, 12630629), (1947, 10334151), (2979, 6754143), (3469, 5800113), (3641, 5526117), (5841, 3444717), (8937, 2251381), (10407, 1933371), (10923, 1842039), (17523, 1148239), (19529, 1030293), (31221, 644457), (32769, 614013), (38159, 527283), (58587, 343431), (93663, 214819), (98307, 204671), (114477, 175761)]