20123060692

素因数分解:

$2^2\times 7^2\times {\mathrm{199}}^1\times {\mathrm{515923}}^1$

素因数の和:516140

約数の個数: 36

約数和(自身を含む): 41170735200

約数和(自身を除く): 21047674508

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 199, 398, 796, 1393, 2786, 5572, 9751, 19502, 39004, 515923, 1031846, 2063692, 3611461, 7222922, 14445844, 25280227, 50560454, 101120908, 102668677, 205337354, 410674708, 718680739, 1437361478, 2874722956, 5030765173, 10061530346, 20123060692]

約数ペア:

[(1, 20123060692), (2, 10061530346), (4, 5030765173), (7, 2874722956), (14, 1437361478), (28, 718680739), (49, 410674708), (98, 205337354), (196, 102668677), (199, 101120908), (398, 50560454), (796, 25280227), (1393, 14445844), (2786, 7222922), (5572, 3611461), (9751, 2063692), (19502, 1031846), (39004, 515923)]