20211783904

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{1277}}^1\times {\mathrm{38047}}^1$

素因数の和:39347

約数の個数: 48

約数和(自身を含む): 42887553408

約数和(自身を除く): 22675769504

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 1277, 2554, 5108, 10216, 16601, 20432, 33202, 38047, 40864, 66404, 76094, 132808, 152188, 265616, 304376, 494611, 531232, 608752, 989222, 1217504, 1978444, 3956888, 7913776, 15827552, 48586019, 97172038, 194344076, 388688152, 631618247, 777376304, 1263236494, 1554752608, 2526472988, 5052945976, 10105891952, 20211783904]

約数ペア:

[(1, 20211783904), (2, 10105891952), (4, 5052945976), (8, 2526472988), (13, 1554752608), (16, 1263236494), (26, 777376304), (32, 631618247), (52, 388688152), (104, 194344076), (208, 97172038), (416, 48586019), (1277, 15827552), (2554, 7913776), (5108, 3956888), (10216, 1978444), (16601, 1217504), (20432, 989222), (33202, 608752), (38047, 531232), (40864, 494611), (66404, 304376), (76094, 265616), (132808, 152188)]