20305164

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{773}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 52012800

約数和(自身を除く): 31707636

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 199, 398, 597, 773, 796, 1194, 1546, 2189, 2319, 2388, 3092, 4378, 4638, 6567, 8503, 8756, 9276, 13134, 17006, 25509, 26268, 34012, 51018, 102036, 153827, 307654, 461481, 615308, 922962, 1692097, 1845924, 3384194, 5076291, 6768388, 10152582, 20305164]

約数ペア:

[(1, 20305164), (2, 10152582), (3, 6768388), (4, 5076291), (6, 3384194), (11, 1845924), (12, 1692097), (22, 922962), (33, 615308), (44, 461481), (66, 307654), (132, 153827), (199, 102036), (398, 51018), (597, 34012), (773, 26268), (796, 25509), (1194, 17006), (1546, 13134), (2189, 9276), (2319, 8756), (2388, 8503), (3092, 6567), (4378, 4638)]