20179933215

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{389}}^1\times {\mathrm{15649}}^1$

素因数の和:16076

約数の個数: 64

約数和(自身を含む): 36913968000

約数和(自身を除く): 16734034785

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 389, 663, 1105, 1167, 1945, 3315, 5057, 5835, 6613, 15171, 15649, 19839, 25285, 33065, 46947, 75855, 78245, 85969, 99195, 203437, 234735, 257907, 266033, 429845, 610311, 798099, 1017185, 1289535, 1330165, 3051555, 3458429, 3990495, 6087461, 10375287, 17292145, 18262383, 30437305, 51876435, 79136993, 91311915, 103486837, 237410979, 310460511, 395684965, 517434185, 1187054895, 1345328881, 1552302555, 4035986643, 6726644405, 20179933215]

約数ペア:

[(1, 20179933215), (3, 6726644405), (5, 4035986643), (13, 1552302555), (15, 1345328881), (17, 1187054895), (39, 517434185), (51, 395684965), (65, 310460511), (85, 237410979), (195, 103486837), (221, 91311915), (255, 79136993), (389, 51876435), (663, 30437305), (1105, 18262383), (1167, 17292145), (1945, 10375287), (3315, 6087461), (5057, 3990495), (5835, 3458429), (6613, 3051555), (15171, 1330165), (15649, 1289535), (19839, 1017185), (25285, 798099), (33065, 610311), (46947, 429845), (75855, 266033), (78245, 257907), (85969, 234735), (99195, 203437)]